# 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

## 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/)

## Optional

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