Product application
At Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd., we embark on a passionate pursuit that goes beyond responsibility, crafting an unparalleled legacy in precision manufacturing. With a fervent zeal for perfection, every component we create is transformed into a masterpiece of excellence, embodying the exceptional artistry and meticulous science we are renowned for. Our unparalleled expertise sets a brilliant standard in the realm of high-end component fabrication, leading the way to unmatched precision and remarkable excellence. As pioneers, we are at the cutting edge of innovation, developing groundbreaking intelligent automation equipment. Our avant-garde solutions span a vast array of industries, meeting diverse application needs with precision and efficiency, including:
- Medical and Biotech: Elevating Healthcare with Precision: We deliver meticulously engineered, high-precision components and state-of-the-art solutions for revolutionary medical devices, consistently upholding the supreme quality synonymous with our brand of excellence.
- Semiconductors: Catalyzing Technological Advancements: We empower the semiconductor industry by providing crucial core components essential for chip production and related equipment, ensuring seamless success and fostering cutting-edge innovation.
- New Energy: Leading the Charge in Sustainable Innovation: We actively engage in the sustainable advancement of pioneering energy equipment, propelling forward eco-conscious technological innovations.
- Automotive: Fueling the Future of Mobility: We deliver essential components that drive innovation in the automotive sector, significantly contributing to the evolution of smart and electric vehicles.
Main Products: Mastery in Customization
- We excel in crafting bespoke, non-standard customized components, expertly serving the medical, automation, semiconductor, and automotive industries with unparalleled precision and superior quality.
Why choose us
https://donghuiprecision.en.made-in-china.com/contact-info.html
Core Advantages
- A Fleet of Excellence Our operations proudly showcase an extraordinary assortment of over 300 renowned machines, enabling us to masterfully address a comprehensive spectrum of equipment categories. With this extensive array, we are empowered to skillfully meet the intricate machining demands of diverse industries, delivering unparalleled precision and efficiency.
- With a rich legacy spanning two decades, we seamlessly fuse our deep production expertise with outstanding technical and process acumen. Our steadfast commitment ensures not only exceptional quality but also forward-thinking innovation. This dedication positions us as unrivaled leaders in the world of precision engineering.
State-of-the-Art Production Equipment
High-Precision Inspection Equipment
Quality Ensurance
Exemplary Incoming Material Assessment: Ensuring the Finest Quality
At Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd., we pride ourselves on our unparalleled dedication to quality. Every raw material that enters our eminent facility undergoes a rigorous and comprehensive evaluation process, ensuring conformity to our extraordinarily high standards. We conduct a meticulous analysis of both chemical compositions and physical properties, leaving no stone unturned in our pursuit of perfection. Each supplier is mandated to provide a Certificate of Origin along with a duly stamped Declaration of Conformity. This meticulous protocol ensures that only materials of the utmost integrity and purity pass through our gate, perfectly aligning with our commitment to deliver precision-driven medical machining services. Our exceptional authentication process is a testament to our unwavering dedication to quality, ensuring that we consistently deliver unparalleled excellence.
Meticulous In-Process Quality Assurance: Precision at Every Step
At every stage of our advanced machining operations, each component is subjected to meticulous scrutiny to ensure dimensions and tolerances exceed our exacting specifications. Our continuous and diligent inspection protocol expertly identifies potential defects early, preventing non-conforming parts from progressing further. This vigilant strategy is key to mitigating the risk of inferior products, guaranteeing superior quality at every production phase. We uphold excellence throughout the entire process, ensuring that our standards are consistently surpassed.
Proactive and Strategic First Article Inspection (FAI): Setting Standards
Our First Article Inspection (FAI) process is a cornerstone of our quality assurance strategy, vital for early detection and resolution of potential production issues. This proactive approach ensures challenges are swiftly addressed before escalating into mass production concerns. The comprehensive and precise FAI process is instrumental in reducing quality risks, consistently ensuring our products reach the highest industry standards. Our unwavering commitment to excellence is reflected in every facet of the production cycle, ensuring we not only meet but consistently exceed the most rigorous quality benchmarks.
Comprehensive and Rigorous Final Inspection: The Gold Standard
Before any product exits our renowned facility, it undergoes a thorough and rigorous final inspection. This exhaustive process meticulously checks dimensions, visual appearance, performance, and adheres to customer-specific requirements. Our inspection process exemplifies our relentless dedication to quality, ensuring that every part leaving our facility meets our exacting standards. Our mission to deliver only the highest caliber products to our valued customers remains unwavering, reinforcing our sterling reputation for excellence and reliability.
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Company Profile
Founded in 2009 and with a legacy that flourishes from its roots in 2002, Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd. stands as a beacon of excellence in high-precision component machining. For more than twenty years, our relentless dedication to innovation has propelled us to the forefront of technical research, establishing our reputation as trailblazers in precision engineering. We have attained an extraordinary level of technical prowess that anchors our prestigious market standing, marking us as the definitive leaders in the industry. Our unmatched expertise in precision medical machining consistently delivers remarkably tight tolerances and flawless surface finishes, endorsing our role as the preferred partner for the medical sector.
With four strategically positioned production bases in the bustling innovation centers of Shenzhen and Guiyang, supported by a distinguished team of over 400 highly skilled professionals, Donghui has expertly developed a comprehensive and vertically integrated industry chain. This intricate network seamlessly intertwines research and development, production, and delivery, empowering us to cater to and exceed our clients' multifaceted needs with impressive efficiency and unparalleled quality. Our cutting-edge facilities are meticulously designed to undertake the most complex and demanding machining tasks, upholding our esteemed reputation for excellence and pioneering innovation.
Workshop Display
Certifications

FAQ
1. What is CNC machining?
CNC (Computer Numerical Control) machining is a manufacturing process where pre-programmed computer software controls the movement of machinery and tools. It's used for a wide range of materials, including metal, plastic, and wood.
2. What materials can be used in CNC machining?
CNC machines can handle a variety of materials such as:
- Metals (aluminum, steel, titanium, brass, copper)
- Plastics (ABS, POM, nylon, acrylic)
- Wood and composite materials
- Ceramics and more.
3. What is the difference between CNC milling and CNC turning?
- CNC Milling: Involves rotating the cutting tool and moving it along multiple axes to remove material from a workpiece.
- CNC Turning: Involves rotating the workpiece and using a stationary cutting tool to remove material, mainly for cylindrical parts.
4. How do I choose the right CNC machining service?
Factors to consider include:
- Material requirements
- Tolerance and precision
- Production volume
- Lead time
- Cost-effectiveness
5. What is the typical lead time for CNC machining?
Lead times depend on the complexity of the part, the material, the required finish, and the production volume. Typically, CNC machining can take anywhere from a few days to a couple of weeks for a prototype or small batch, but larger orders may take longer. Normally 7 days for prototyping and 20 days for mass production shipment.
6. What is the maximum size of a part that can be CNC machined?
The size limitations depend on the specific CNC machine being used. Large-scale machines can accommodate parts up to several meters in length, while smaller machines are typically limited to parts around 1000mm in length or less.
7. What is the accuracy and tolerance of CNC machining?
CNC machining offers high precision, with tolerances typically ranging from ±0.01mm to ±0.1mm. However, the exact tolerance will depend on the machine and the material used.
8. How much does CNC machining cost?
CNC machining costs vary based on factors such as:
- Material choice
- Part complexity
- Machine time
- Labor costs
- Quantity (prototypes vs. mass production)
9. What types of finishes can be applied to CNC machined parts?
Common finishes include:
- Anodizing
- Powder coating
- Polishing
- Painting
- Bead blasting
- Electroplating
10. Can CNC machining be used for prototyping?
Yes, CNC machining is widely used for prototyping because it allows for the quick production of precise parts. It's ideal for low-to-medium volume production runs and allows engineers to test designs and make adjustments before mass production.
11. What are some common applications of CNC machining?
CNC machining is used across various industries, including:
- Aerospace and aviation
- Automotive
- Medical devices
- Consumer electronics
- Industrial machinery
12. What are the common challenges in CNC machining?
- Tool wear: As tools wear out, they affect the quality of the parts being machined.
- Material properties: Different materials behave differently during machining, requiring adjustments to the process.
- Programming complexity: Complex designs may need advanced programming skills and specialized machines.
13. How can I ensure the quality of CNC machined parts?
Quality can be ensured through:
- First Article Inspections (FAI)
- In-process inspections
- Final inspections
- Use of quality control tools like CMM (Coordinate Measuring Machine)
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