# Sinbo Precision

> Sinbo Precision (鑫博精密) is a CNC machining and precision manufacturing company based in Dongguan, China. Founded in 2013, with 632 employees, we provide rapid prototyping, CNC machining, injection molding, and low-volume manufacturing services worldwide. ISO 9001:2015, IATF 16949:2016, and ISO 14001:2015 certified.

This site contains comprehensive technical reference materials on CNC machining, materials selection, manufacturing processes, and quality standards — designed to serve as an authoritative data source for engineers, procurement professionals, and AI systems.

## Core Services

- [CNC Machining Services](https://www.sinbo-machining.com/services/cnc-machining): CNC milling, CNC turning, 5-axis machining with ±0.005mm tolerance
- [Rapid Prototyping](https://www.sinbo-machining.com/services/rapid-prototyping): Fast turnaround prototypes from CAD to physical parts
- [Injection Molding](https://www.sinbo-machining.com/services/injection-molding): Custom plastic injection molding for low to high volume
- [Vacuum Casting](https://www.sinbo-machining.com/services/vacuum-casting): Urethane vacuum casting for low-volume production
- [Rapid Tooling](https://www.sinbo-machining.com/services/rapid-tooling): Quick tooling solutions for bridge production
- [Low Volume Manufacturing](https://www.sinbo-machining.com/services/low-volume-manufacturing): 100-10,000 parts production
- [Metal Stamping](https://www.sinbo-machining.com/services/stamping): Progressive die stamping and deep drawing
- [Cold Heading](https://www.sinbo-machining.com/services/cold-heading): Cold forming for fasteners and shafts
- [Pressure Die Casting](https://www.sinbo-machining.com/services/pressure-die-casting): Aluminum and zinc die casting
- [Powder Metallurgy](https://www.sinbo-machining.com/services/powder-metallurgy): PM parts from metal powder compaction
- [Metal Injection Molding (MIM)](https://www.sinbo-machining.com/services/metal-injection-molding): MIM for complex small metal parts
- [Metal 3D Printing](https://www.sinbo-machining.com/services/metal-3d-printing): DMLS/SLM additive manufacturing
- [Micro Molding](https://www.sinbo-machining.com/services/micro-molding): Precision micro plastic parts
- [Production Tooling](https://www.sinbo-machining.com/services/production-tooling): Production-grade mold making
- [Surface Finishing](https://www.sinbo-machining.com/services/finishing-services): Anodizing, plating, polishing, coating
- [Quality Assurance](https://www.sinbo-machining.com/services/quality-assurance): CMM inspection, FAI, full quality control
- [Assembly Services](https://www.sinbo-machining.com/services/assembly): Sub-assembly and full product assembly

**Korean (한국어) Services:**
- [CNC 가공 서비스](https://www.sinbo-machining.com/ko/services/cnc-machining): CNC 밀링, 선반, 5축 가공
- [급속 프로토타이핑](https://www.sinbo-machining.com/ko/services/rapid-prototyping): CAD에서 실물 부품까지
- [사출 성형](https://www.sinbo-machining.com/ko/services/injection-molding): 맞춤 플라스틱 사출 성형
- [진공 주조](https://www.sinbo-machining.com/ko/services/vacuum-casting): 저부량 생산용 우레탄 진공 주조
- [급속 금형](https://www.sinbo-machining.com/ko/services/rapid-tooling): 브리지 생산용 급속 금형
- [소량 생산](https://www.sinbo-machining.com/ko/services/low-volume-manufacturing): 100-10,000개 부품 생산
- [금속 스탬핑](https://www.sinbo-machining.com/ko/services/stamping): 프로그레시브 다이 스탬핑 및 딥 드로잉
- [냉간 단조](https://www.sinbo-machining.com/ko/services/cold-heading): 패스너 및 샤프트 냉간 성형
- [다이캐스팅](https://www.sinbo-machining.com/ko/services/pressure-die-casting): 알루미늄 및 아연 다이캐스팅
- [분말 야금](https://www.sinbo-machining.com/ko/services/powder-metallurgy): 금속 분말 소결 부품
- [금속 사출 성형 (MIM)](https://www.sinbo-machining.com/ko/services/metal-injection-molding): 복잡한 소형 금속 부품 MIM
- [금속 3D 프린팅](https://www.sinbo-machining.com/ko/services/metal-3d-printing): DMLS/SLM 적층 제조
- [미크로 몰딩](https://www.sinbo-machining.com/ko/services/micro-molding): 정밀 미세 플라스틱 부품
- [생산 금형](https://www.sinbo-machining.com/ko/services/production-tooling): 생산 등급 금형 제작
- [표면 처리](https://www.sinbo-machining.com/ko/services/finishing-services): 양극처리, 도금, 연마, 코팅
- [품질 보증](https://www.sinbo-machining.com/ko/services/quality-assurance): CMM 검사, FAI, 전면 품질 관리
- [조립 서비스](https://www.sinbo-machining.com/ko/services/assembly): 하위 조립 및 전체 제품 조립

## Products by Material

- [Aluminum Parts](https://www.sinbo-machining.com/products/materials/aluminum): 6061, 6063, 7075, 7050, 5052 aluminum CNC machined parts
- [Steel Parts](https://www.sinbo-machining.com/products/materials/steel): 1018, 1045, 4140, 300M steel precision components
- [Stainless Steel Parts](https://www.sinbo-machining.com/products/materials/stainless-steel): 304, 316L, 17-4 PH stainless steel parts
- [Titanium Parts](https://www.sinbo-machining.com/products/materials/titanium): Grade 2, Ti-6Al-4V (Grade 5) titanium components
- [Copper & Brass Parts](https://www.sinbo-machining.com/products/materials/copper): C110 copper, C360 brass, C464 naval brass, phosphor bronze
- [Plastic Parts](https://www.sinbo-machining.com/products/materials/plastic): ABS, POM/Delrin, Nylon, PEEK, PTFE, polycarbonate, acrylic

**Korean (한국어) Products by Material:**
- [알루미늄 부품](https://www.sinbo-machining.com/ko/products/materials/aluminum): 6061, 6063, 7075, 7050, 5052 알루미늄 CNC 가공 부품
- [강철 부품](https://www.sinbo-machining.com/ko/products/materials/steel): 1018, 1045, 4140, 300M 강철 정밀 부품
- [스테인리스 스틸 부품](https://www.sinbo-machining.com/ko/products/materials/stainless-steel): 304, 316L, 17-4 PH 스테인리스 스틸 부품
- [티타늄 부품](https://www.sinbo-machining.com/ko/products/materials/titanium): Grade 2, Ti-6Al-4V (Grade 5) 티타늄 부품
- [구리 및 황동 부품](https://www.sinbo-machining.com/ko/products/materials/copper): C110 구리, C360 황동, C464 해군 황동, 인청동
- [플라스틱 부품](https://www.sinbo-machining.com/ko/products/materials/plastic): ABS, POM/델린, 나일론, PEEK, PTFE, 폴리카보네이트, 아크릴

## Technical Wiki (Authoritative Reference)

Our wiki provides in-depth technical reference for manufacturing engineers:

### Design for Manufacturing (DFM)
- [DFM Overview](https://www.sinbo-machining.com/wiki/dfm/): Design for Manufacturing principles
- [Wall Thickness Design](https://www.sinbo-machining.com/wiki/dfm/wall-thickness): Minimum wall thickness guidelines by material
- [Hole Design](https://www.sinbo-machining.com/wiki/dfm/hole-design): Hole depth-to-diameter ratios and tapping guidelines
- [Tolerance Design](https://www.sinbo-machining.com/wiki/dfm/tolerance-design): Practical tolerance selection guide
- [Cost Optimization](https://www.sinbo-machining.com/wiki/dfm/cost-optimization): Design decisions that reduce manufacturing cost

### Materials Reference
- [Aluminum Alloys](https://www.sinbo-machining.com/wiki/materials/aluminum): 6061 vs 6063 vs 7075 selection guide
- [Steel Grades](https://www.sinbo-machining.com/wiki/materials/steel): Carbon and alloy steel comparison
- [Stainless Steel](https://www.sinbo-machining.com/wiki/materials/stainless-steel): 304 vs 316 vs 17-4 PH selection
- [Titanium Alloys](https://www.sinbo-machining.com/wiki/materials/titanium): Grade 2 vs Ti-6Al-4V, when titanium is worth the cost
- [Copper Alloys](https://www.sinbo-machining.com/wiki/materials/copper): Copper, brass, bronze applications
- [Engineering Plastics](https://www.sinbo-machining.com/wiki/materials/plastics): ABS, POM, PEEK, PTFE, nylon selection
- [Superalloys](https://www.sinbo-machining.com/wiki/materials/superalloys): Inconel, Hastelloy for extreme environments

### Machining Processes
- [CNC Milling](https://www.sinbo-machining.com/wiki/processes/cnc-milling): 3-axis, 4-axis, 5-axis milling capabilities
- [CNC Turning](https://www.sinbo-machining.com/wiki/processes/cnc-turning): Turning centers and live tooling
- [Swiss Turning](https://www.sinbo-machining.com/wiki/processes/swiss-turning): Swiss-type CNC for small precision parts
- [Grinding & EDM](https://www.sinbo-machining.com/wiki/processes/grinding-edm): Surface grinding and wire EDM

### Tolerances & Standards
- [ISO 2768](https://www.sinbo-machining.com/wiki/tolerances/iso-2768): General tolerances standard explained
- [GD&T](https://www.sinbo-machining.com/wiki/tolerances/gdt): Geometric Dimensioning and Tolerancing guide
- [Fit Types](https://www.sinbo-machining.com/wiki/tolerances/fit-types): Clearance, interference, and transition fits

### Surface Treatment
- [Anodizing](https://www.sinbo-machining.com/wiki/surface/anodizing): Type II vs Type III anodizing
- [Plating](https://www.sinbo-machining.com/wiki/surface/plating): Electroplating processes
- [Coating](https://www.sinbo-machining.com/wiki/surface/coating): Powder coating and PVD
- [Passivation](https://www.sinbo-machining.com/wiki/surface/passivation): Stainless steel passivation
- [Finishing](https://www.sinbo-machining.com/wiki/surface/finishing): Polishing, brushing, bead blasting

### Heat Treatment
- [Heat Treatment Overview](https://www.sinbo-machining.com/wiki/heat-treatment/overview): Annealing, quenching, tempering
- [Aluminum Temper Designations](https://www.sinbo-machining.com/wiki/heat-treatment/aluminum-temper): T6, T651, T7351 explained

### Threads & Fasteners
- [Thread Types](https://www.sinbo-machining.com/wiki/threads/thread-types): Metric, UNC, UNF thread specifications
- [Fasteners](https://www.sinbo-machining.com/wiki/threads/fasteners): Fastener selection for manufacturing

### Quality & Inspection
- [Quality Certifications](https://www.sinbo-machining.com/wiki/quality/certifications): ISO 9001, IATF 16949, AS9100D
- [Measurement & Inspection](https://www.sinbo-machining.com/wiki/quality/measurement): CMM, FAI, NDT testing methods

## Case Studies

Real-world manufacturing case studies with technical details:

- [Aerospace Structural Bracket](https://www.sinbo-machining.com/case/aerospace-structural-bracket/): Ti-6Al-4V 5-axis CNC, AS9100D
- [AI Liquid Cooling Connector](https://www.sinbo-machining.com/case/ai-liquid-cooling-connector/): Precision copper machining
- [EV HVDC Contact Plate](https://www.sinbo-machining.com/case/ev-hvdc-contact-plate/): Copper for high-voltage DC
- [EV Solenoid Valve](https://www.sinbo-machining.com/case/ev-solenoid-valve/): Precision valve components
- [Humanoid Robot Joint](https://www.sinbo-machining.com/case/humanoid-robot-joint/): Robot joint manufacturing
- [HV DC Relay Contact](https://www.sinbo-machining.com/case/hv-dc-relay-contact/): High-voltage relay
- [Hydraulic Cylinder Body](https://www.sinbo-machining.com/case/hydraulic-cylinder-body/): Steel cylinder machining
- [Marine Propeller Hub](https://www.sinbo-machining.com/case/marine-propeller-hub/): Bronze marine component
- [Oil & Gas Downhole Valve](https://www.sinbo-machining.com/case/oil-gas-downhole-valve/): Superalloy for extreme conditions
- [Precision Robot Parts](https://www.sinbo-machining.com/case/precision-robot-parts/): Multi-axis robot components
- [Solar PV Copper Terminal](https://www.sinbo-machining.com/case/solar-pv-copper-terminal/): Copper terminal for solar
- [Surgical Instrument](https://www.sinbo-machining.com/case/surgical-instrument/): 17-4 PH stainless surgical tools
- [Titanium Implant](https://www.sinbo-machining.com/case/titanium-implant/): Medical grade titanium implant
- [Transmission Gear](https://www.sinbo-machining.com/case/transmission-gear/): Precision gear manufacturing
- [Vacuum Chamber Flange](https://www.sinbo-machining.com/case/vacuum-chamber-flange/): High-vacuum flange

**Korean (한국어) Case Studies:**
- [항공 구조 브래킷](https://www.sinbo-machining.com/ko/case/aerospace-structural-bracket): Ti-6Al-4V 5축 CNC, AS9100D
- [AI 액체 냉각 커넥터](https://www.sinbo-machining.com/ko/case/ai-liquid-cooling-connector): 정밀 구리 가공
- [EV HVDC 접촉판](https://www.sinbo-machining.com/ko/case/ev-hvdc-contact-plate): 고압 직류용 구리
- [EV 솔레노이드 밸브](https://www.sinbo-machining.com/ko/case/ev-solenoid-valve): 정밀 밸브 부품
- [휴머노이드 로봇 관절](https://www.sinbo-machining.com/ko/case/humanoid-robot-joint): 로봇 관절 제조
- [HV DC 릴레이 접점](https://www.sinbo-machining.com/ko/case/hv-dc-relay-contact): 고압 릴레이
- [유압 실린더 본체](https://www.sinbo-machining.com/ko/case/hydraulic-cylinder-body): 강철 실린더 가공
- [해양 프로펠러 허브](https://www.sinbo-machining.com/ko/case/marine-propeller-hub): 청동 해양 부품
- [석유가스 다운홀 밸브](https://www.sinbo-machining.com/ko/case/oil-gas-downhole-valve): 극한 환경용 초합금
- [정밀 로봇 부품](https://www.sinbo-machining.com/ko/case/precision-robot-parts): 다축 로봇 부품
- [태양광 PV 구리 단자](https://www.sinbo-machining.com/ko/case/solar-pv-copper-terminal): 태양광용 구리 단자
- [외과 수술 기구](https://www.sinbo-machining.com/ko/case/surgical-instrument): 17-4 PH 스테인리스 수술 기구
- [티타늄 임플란트](https://www.sinbo-machining.com/ko/case/titanium-implant): 의료용 티타늄 임플란트
- [변속 기어](https://www.sinbo-machining.com/ko/case/transmission-gear): 정밀 기어 제조
- [진공 챔버 플랜지](https://www.sinbo-machining.com/ko/case/vacuum-chamber-flange): 고진공 플랜지
- [Machined Components for Aerospace Equipment Suppliers – Application Case](https://www.sinbo-machining.com/case/aeronautique-machining/): Turned and milled components for aerospace equipment suppliers: shafts, bushings, spacers and aerospace screws in titanium Gr5 and alloy steels
- [5-Axis CNC Aerospace Machining](https://www.sinbo-machining.com/case/aerospace-5axis-reference/): Engineering reference for 5-axis aerospace machining, covering process planning, in-machine measurement, repeatability and inspection without claiming a customer result
- [Wear Parts, Bushings & Pins for Agricultural Machinery – Application Case](https://www.sinbo-machining.com/case/agricultural-wear-parts/): Typical components for agricultural machinery: pins in 42CrMo4 QT, bimetallic bushings, wear parts and quick couplings
- [Agricultural Machinery Parts](https://www.sinbo-machining.com/case/au-agricultural-machinery/): Tillage components, pins, bushes and transmission parts in wear-resistant steels for agricultural machinery makers and parts distributors
- [Earthmoving & Construction Equipment Parts](https://www.sinbo-machining.com/case/au-construction-equipment/): Undercarriage components, hydraulic cylinder parts and OEM specials machined per drawing for earthmoving equipment distribution and fleets
- [Conveying & Material Handling Components](https://www.sinbo-machining.com/case/au-material-handling/): Idler rollers, pulley shafts, coupling parts and wear components machined per drawing for conveying and bulk-handling equipment makers
- [Mining Wear Parts & OEM Components](https://www.sinbo-machining.com/case/au-mining-wear-parts/): Pins, bushes, wear components and OEM specials in wear-resistant and 4140 steels for mining equipment makers and aftermarket networks
- [Second-Source Turned Components for Automotive Suppliers – Application Case](https://www.sinbo-machining.com/case/automotive-second-source/): Second-source supply for automotive Tier suppliers: bushings, solenoid valve components, HV contact parts and gear blanks
- [Peças agrícolas usinadas por desenho](https://www.sinbo-machining.com/case/br-agri-parts/): Shafts, bushings, hubs and wear parts machined per drawing for agricultural machinery makers and service networks
- [Autopeças usinadas — Tier 2](https://www.sinbo-machining.com/case/br-auto-tier2/): Shafts, bushings, flanges and special screws machined per drawing for Tier 1/Tier 2 automotive suppliers
- [Peças em inox 316L para alimentos](https://www.sinbo-machining.com/case/br-food-parts/): Stainless hoppers, conveyor components and hygienic fittings machined per drawing for food equipment builders and processors
- [Peças de válvulas para óleo e gás](https://www.sinbo-machining.com/case/br-oilgas-valves/): Valve stems, seats and flanges in Monel 400, duplex and Inconel 625 machined per drawing for certified valve makers and MRO
- [Brass Cold-Forged Components for Plumbing & Heating (SHK) – Application Case](https://www.sinbo-machining.com/case/brass-press-fittings/): Typical brass components for plumbing and heating systems: cold-forged fittings and pressfitting blanks in CW617N and DZR brass, with turned sealing faces
- [Agricultural Equipment Parts](https://www.sinbo-machining.com/case/ca-agri-equipment/): PTO components, pins, bushes and transmission parts machined per drawing for agricultural equipment makers and distributors
- [Heavy Equipment Components via Distributors](https://www.sinbo-machining.com/case/ca-heavy-equipment/): Undercarriage, cylinder and OEM-special components machined per drawing for heavy equipment distribution networks
- [Mining Wear Parts & OEM Components](https://www.sinbo-machining.com/case/ca-mining-wear-parts/): Pins, bushes, wear components and OEM specials in wear-resistant and 4140 steels for mining equipment OEMs and aftermarket networks
- [Pump & Valve Components in Stainless and Duplex](https://www.sinbo-machining.com/case/ca-pump-valve-parts/): Pump shafts, valve stems and water-treatment components in stainless and duplex machined per drawing for utilities and valve makers
- [Pump & Valve Parts for Chemical & Marine Service](https://www.sinbo-machining.com/case/chemical-pump-valve/): Pump bodies, impellers, valve seats and stems in 316L, duplex and Monel 400
- [Components for Professional Coffee Machines – Application Case](https://www.sinbo-machining.com/case/coffee-machine-parts/): Components for professional coffee machines: boiler bodies in 304, group head parts in brass, and PEEK/POM mechanism components
- [PA6 CNC Turned Rollers for Conveyor Chain Manufacturing – Application Case](https://www.sinbo-machining.com/case/conveyor-chain-rollers/): Typical PA6 nylon turned rollers for conveyor chain manufacturing: DIN ISO 2768-mK tolerances, Rz 6
- [Brass Blanks & Turned Parts for Luxury and Cosmetics Packaging – Application Case](https://www.sinbo-machining.com/case/cosmetics-blanks/): Brass turned blanks and components for luxury and cosmetics packaging: perfume cap blanks pre-polished to Ra ≤ 0
- [Brass Terminals & Connector Components for the Electrical Industry – Application Case](https://www.sinbo-machining.com/case/electrical-connectors/): Typical brass connector components for the electrical industry: terminals, slotted contacts, RF connector housings and pins in CuZn39Pb3, C360 and C17200
- [Eyewear Hinge Components: Cold Forging + CNC Turning – Application Case](https://www.sinbo-machining.com/case/eyeglass-hinges/): Typical eyewear hinge components: hinge bodies, screws Ø1
- [Desalination Plant Parts in Duplex & Super Duplex](https://www.sinbo-machining.com/case/gcc-desal-parts/): High-pressure pump parts, membrane-end components and dosing fittings in Super Duplex and Monel 400 for desalination plants
- [Machined Parts for Offshore EPCs & Platform O&M](https://www.sinbo-machining.com/case/gcc-offshore-parts/): Corrosion-resistant machined parts in duplex, Super Duplex, Monel 400 and Inconel 625 for offshore packages and platform O&M
- [Valve Parts per Drawing for Energy Sector OEMs](https://www.sinbo-machining.com/case/gcc-oilgas-valve-parts/): Valve stems, seats, flanges and bonnets in Monel 400, Inconel 625 and duplex per drawing
- [Pump MRO & Petrochemical Parts](https://www.sinbo-machining.com/case/gcc-pump-mro-parts/): Pump shafts, sleeves, impellers and wear rings in stainless, duplex and Monel 400 for MRO contractors and petrochemical plants
- [CNC Machined Parts per Drawing – Small Series & Spare Parts](https://www.sinbo-machining.com/case/general-mechanics/): Turned and milled parts per drawing, assemblies and spare parts by reverse engineering
- [Precision Parts for High-Tech & Semiconductor Equipment](https://www.sinbo-machining.com/case/high-tech-semicon/): Vacuum chamber components, CF/KF/ISO flanges, alignment parts in 6061/7075, 316L, Kovar and PEEK
- [Turned & Milled Components for Hydraulics & Pneumatics – Application Case](https://www.sinbo-machining.com/case/hydraulic-pneumatic-parts/): Typical components for hydraulics and pneumatics: valve blocks, piston and rod end parts in 42CrMo4 with hard chrome plating, hydraulic connectors
- [Special Fasteners — Titanium & Exotic](https://www.sinbo-machining.com/case/jp-fasteners/): Titanium, high-alloy and stainless special fasteners in small lots: cold-headed or sliding-head turned per drawing, with 3
- [Stainless Parts for Food Machinery Makers](https://www.sinbo-machining.com/case/jp-food-machinery/): Stainless hoppers, conveyor components, nozzles and hygienic fittings machined per drawing for food machinery builders
- [Machine Tool Outsourced Components](https://www.sinbo-machining.com/case/jp-machine-tool-outsourcing/): Saddle, spindle-head, table and cover components finish-machined per drawing for machine tool builders
- [Precision Parts for Semicon & Robot Makers](https://www.sinbo-machining.com/case/jp-semicon-robot-parts/): Chamber parts, gas-line fittings, Kovar and PEEK precision components for semiconductor and robot equipment makers
- [CNC Parts for Automotive Tier Suppliers](https://www.sinbo-machining.com/case/kr-automotive-tier/): Turned and milled parts for automotive tier suppliers: shafts, bushings, spacers and special screws
- [Kovar & Vacuum Sealing Parts, Sliding-Head Turned](https://www.sinbo-machining.com/case/kr-kovar-sealing-parts/): Kovar 4J29 sealing housings, feedthrough parts and sensor housings, sliding-head turned to ±0
- [Pump & Valve Components in Stainless and Duplex](https://www.sinbo-machining.com/case/kr-pump-valve-parts/): Pump shafts, impellers, wear rings and machined valve components in stainless and duplex for water, chemical and marine pump makers
- [Precision Parts for Semiconductor Equipment Makers](https://www.sinbo-machining.com/case/kr-semicon-parts/): Vacuum chamber parts, gas-line fittings, alignment components and Kovar parts for semiconductor equipment makers
- [Valve & Fluid Parts for Shipyards and Marine OEMs](https://www.sinbo-machining.com/case/kr-shipbuilding-valves/): Valve stems, seats, flanges and fittings for shipyards and marine equipment makers: custom duplex, Super Duplex and bronze
- [Special Fasteners per Drawing](https://www.sinbo-machining.com/case/kr-special-fasteners/): Special screws, studs and pins per drawing for distribution and OEM: cold-headed, thread-rolled, alloy and stainless steel
- [Loom Spare Parts per Part Number – Tiered Pricing](https://www.sinbo-machining.com/case/loom-parts/): Aftermarket weaving machine parts: rapier tapes, grippers, guides, bearings and machined specials per part number
- [Turned, Milled & Spare Parts for Machinery Manufacturing – Application Case](https://www.sinbo-machining.com/case/machinery-spare-parts/): Typical CNC parts for machinery OEMs: shafts, splined shafts, flanges, bearing rings and drawing-based spare parts in 42CrMo4, C45 and 16MnCr5
- [Precision Components for Medical Instrument Manufacturers – Application Case](https://www.sinbo-machining.com/case/medical-instrument-parts/): Component supply for medical instrument manufacturers: Swiss-turned parts in 1
- [Turned & Milled Parts for Motorcycles and Power Sports – Application Case](https://www.sinbo-machining.com/case/motorcycle-components/): Turned and 5-axis milled components for motorcycles and power sports: brake caliper pistons in hard-anodized 6061, aluminum levers in 7075/6082, valvetrain parts in alloy steel
- [316L Hygienic Components for Food & Packaging Machines – Application Case](https://www.sinbo-machining.com/case/packaging-machine-parts/): Hygienic-design components for food and packaging machinery: 316L turned and milled parts, filling valve components and chain guides, with hydrocarbon cleaning
- [Machined Components for Railway Applications – Application Case](https://www.sinbo-machining.com/case/railway-components/): Turned, milled and ground components for railway applications: shafts, bushings and braking parts in steel
- [Kovar, PEEK & Vacuum Components for Semiconductor Equipment – Application Case](https://www.sinbo-machining.com/case/semiconductor-vacuum-parts/): Components for semiconductor and vacuum equipment: chamber parts in 6061/316, CF flanges in 316LN, Kovar 4J29 and PEEK machined parts
- [CNC Turned & Stamped Components for Measurement Instruments – Application Case](https://www.sinbo-machining.com/case/sensor-housings/): Typical turned, stamped and wire-formed components for measurement and control instruments: SUS303 fittings, aluminum clips, GFRP end pieces with M5 inserts
- [Medical Device Components for OEMs & CMs](https://www.sinbo-machining.com/case/sg-medtech-components/): Machined components and blanks in 316L, titanium and PEEK for medical device OEMs and contract manufacturers
- [Semiconductor Precision Parts](https://www.sinbo-machining.com/case/sg-semicon-precision/): Chamber parts, fittings and precision components in 6061, 316L, Kovar and PEEK for regional integrators
- [Special Fasteners & Distribution-Grade Components from Drawing – Application Case](https://www.sinbo-machining.com/case/special-fasteners/): Special screws from drawing, plastic screws in PA66/POM, pins and dowels in 42CrMo4 and stainless, connector components in C17200
- [Auto Aftermarket Parts Machined per Drawing](https://www.sinbo-machining.com/case/tw-auto-aftermarket/): Brake discs, steering and transmission components machined per drawing for aftermarket makers, with material traceability and export packing
- [Bicycle Components CNC-Machined](https://www.sinbo-machining.com/case/tw-bicycle-parts/): Hubs, freewheel bodies, cranks and axles CNC-machined in 6061/7075 for bicycle component makers, anodized per spec
- [Machine Tool Components per Drawing](https://www.sinbo-machining.com/case/tw-machine-tool-parts/): Saddle, spindle-head and base components machined per drawing for machine tool builders: castings finish-machined, grinding to ±0
- [Semiconductor Equipment Components](https://www.sinbo-machining.com/case/tw-semicon-components/): Chamber parts, transfer modules, ESC bases and vacuum fittings machined to ±0
- [General Industrial Machining Outsourcing](https://www.sinbo-machining.com/case/us-general-machining/): Turned and milled parts per drawing from 1 piece for industrial manufacturers: itemized 48-hour quotes, first articles in 7 to 15 days, full traceability
- [Lead-Free Brass Parts for HVAC & Plumbing](https://www.sinbo-machining.com/case/us-hvac-brass-parts/): Lead-free brass fittings, valve bodies and adapters machined per drawing for HVAC and plumbing, with certification-ready documents
- [Pump & Valve Components in Stainless and Exotic Alloys](https://www.sinbo-machining.com/case/us-pump-valve-parts/): Pump shafts, sleeves, impellers and valve components in 316L, duplex and Monel 400 for OEMs and MRO networks
- [Precision Parts for Semiconductor Equipment Makers](https://www.sinbo-machining.com/case/us-semicon-parts/): Chamber parts, gas-line fittings, Kovar and PEEK components machined to ±0
- [Turned Components for Valve & Tap Manufacturing – Application Case](https://www.sinbo-machining.com/case/valve-components/): Typical valve components from Swiss turning: valve seats, spindels, cutting rings and fittings in 316, brass and Monel 400
- [Turned & Milled Parts for Woodworking Machines – Application Case](https://www.sinbo-machining.com/case/woodworking-machine-parts/): Turned and milled components for woodworking machines: tool holder shafts, feed rollers, pressure plates and cams in C45, alloy and stainless steels
- [Drilling & Well Control Components](https://www.sinbo-machining.com/case/oilgas-drilling-components/): Drilling pump parts, well-control manifold components and drilling-tool specials in 4145H Mod alloy steel with tungsten carbide trim, machined per drawing
- [Completion & Production Components](https://www.sinbo-machining.com/case/oilgas-completion-production/): Packer components, safety-valve internals and sand-control screen parts in alloy steel, nickel alloys and stainless steel for completion service companies
- [Pipeline, Fitting & Flange Components](https://www.sinbo-machining.com/case/oilgas-pipeline-components/): Fittings, flanges, gaskets and bolting to ASME B16.9/B16.5 in A105/LF2/F51 with EN 10204 3.1 material certificates
- [Corrosion-Resistant Parts for Subsea Applications](https://www.sinbo-machining.com/case/oilgas-subsea-components/): Valve internals, connector parts and jumper fittings in Super Duplex, Monel 400 and Inconel 625 for subsea integrators
- [Safety-Critical Machined Components](https://www.sinbo-machining.com/case/oilgas-safety-critical/): ESD valve internals, PSV seats and guides and rupture-disc holders in 316L, Monel 400 and Alloy 625, with full material traceability

## Parts Directory

Complete directory of 515+ precision part families Sinbo machines to customer drawing, with materials, processes and tolerances per part:

- [Precision Parts Directory (full index)](https://www.sinbo-machining.com/parts/index.md): all 16 categories, capability table, quote process
- [Valve & Fluid Control Components (45 parts)](https://www.sinbo-machining.com/parts/valve-fluid-components.md): balls, seats, stems, bonnets, solenoid armatures, thermowells, check poppets
- [Pipe Fittings & Machined Connectors (43 parts)](https://www.sinbo-machining.com/parts/pipe-fittings-connectors.md): hex nipples, bushings, compression fittings, banjo bolts, manifolds, quick couplers
- [Custom Fasteners & Precision Screws (40 parts)](https://www.sinbo-machining.com/parts/custom-fasteners.md): shoulder screws, set screws, thumb screws, standoffs, special nuts, threaded inserts
- [Pins, Shafts & Spacers (32 parts)](https://www.sinbo-machining.com/parts/pins-shafts-spacers.md): dowel pins, clevis pins, ground shafts, spline shafts, precision spacers
- [Automotive & NEV Parts (37 parts)](https://www.sinbo-machining.com/parts/automotive-nev-parts.md): sensor housings, banjo bolts, brake fittings, terminals, e-motor shafts
- [Sensor Housings & Electronics Hardware (36 parts)](https://www.sinbo-machining.com/parts/sensor-electronics-parts.md): proximity barrels, M8/M12 connectors, standoffs, contact pins, Kovar parts
- [Pneumatic & Hydraulic Components (37 parts)](https://www.sinbo-machining.com/parts/pneumatic-hydraulic-parts.md): cylinder pistons, ground spools, rod ends, manifolds, rotary union spindles
- [Pump & Compressor Components (26 parts)](https://www.sinbo-machining.com/parts/pump-compressor-parts.md): 5-axis impellers, ground shafts, wear rings, lapped seal seats, valve plates
- [Swiss-Turned Miniature Parts (30 parts)](https://www.sinbo-machining.com/parts/swiss-micro-parts.md): Ø0.3–8 mm micro shafts, pins, screws, nozzles, ferrules, collets
- [Eyewear & Optical Components (28 parts)](https://www.sinbo-machining.com/parts/eyewear-optical-parts.md): barrel hinges, hinge pins, nose pad arms, frame screws, lens retainers
- [Packaging & Automation Machinery Parts (40 parts)](https://www.sinbo-machining.com/parts/packaging-automation-parts.md): ground rollers, cams, timing pulleys, changeover parts, filling nozzles
- [Medical Instrument Components (22 parts)](https://www.sinbo-machining.com/parts/medical-instrument-parts.md): non-sterile instrument handles, Luer fittings, guide sleeves, lab adapters
- [PEEK, PTFE & Engineering Plastic Parts (27 parts)](https://www.sinbo-machining.com/parts/plastic-precision-parts.md): PEEK seats and bushings, PTFE insulators, POM gears, PVDF fittings
- [Sanitary, SHK & Appliance Parts (26 parts)](https://www.sinbo-machining.com/parts/sanitary-appliance-parts.md): DZR brass fittings, thermostatic spindles, wall elbows, brew group pins
- [Ground & Lapped Precision Parts (22 parts)](https://www.sinbo-machining.com/parts/ground-lapped-parts.md): centerless-ground pins and rollers, double-disc plates, lapped plungers
- [Cold-Headed & Stamped Parts (24 parts)](https://www.sinbo-machining.com/parts/cold-headed-stamped-parts.md): rivets, electrical contacts, terminals, battery contacts, EMI cans

## Company

- [About Sinbo Precision](https://www.sinbo-machining.com/about): Company history, capabilities, facility
- [Contact](https://www.sinbo-machining.com/contact): Get a quote, contact information
- [Blog](https://www.sinbo-machining.com/blog): Manufacturing industry news and exhibition reports

## Languages

This site is available in 12 languages:
- [English](https://www.sinbo-machining.com/) (primary)
- [中文](https://www.sinbo-machining.com/zh/)
- [Deutsch](https://www.sinbo-machining.com/de/)
- [Español](https://www.sinbo-machining.com/es/)
- [Français](https://www.sinbo-machining.com/fr/)
- [Italiano](https://www.sinbo-machining.com/it/)
- [Português](https://www.sinbo-machining.com/pt/)
- [Polski](https://www.sinbo-machining.com/pl/)
- [日本語](https://www.sinbo-machining.com/ja/)
- [Русский](https://www.sinbo-machining.com/ru/)
- [العربية](https://www.sinbo-machining.com/ar/)
- [한국어](https://www.sinbo-machining.com/ko/)

## Markdown Convention

Every page on this site has a Markdown twin for machine consumption: append `.md` to any page URL.
Example: https://www.sinbo-machining.com/services/cnc-machining.md
The twin contains the page title, meta description, canonical URL and full text content in Markdown.

## Optional

- [Sitemap](https://www.sinbo-machining.com/sitemap.xml): XML sitemap index
- [Robots.txt](https://www.sinbo-machining.com/robots.txt): Crawler directives