Product application
At Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd., we transcend mere duty; we passionately engage in the exquisite artistry and meticulous science that define precision manufacturing. With an unwavering commitment to flawlessness, we elevate each component to the pinnacle of craftsmanship and excellence. Our unmatched expertise shines brilliantly in the realm of high-end component fabrication, forging a path toward unparalleled precision and extraordinary excellence. Leading the frontier of innovation, we specialize in crafting groundbreaking intelligent automation equipment. Our state-of-the-art solutions seamlessly cater to a broad spectrum of industries, precisely addressing diverse application needs, including:
- Medical and Biotech: Revolutionizing Healthcare With Unmatched PrecisionSupplying intricately crafted, high-precision components and cutting-edge solutions for revolutionary medical devices, consistently upholding the premium quality standards synonymous with our esteemed brand.
- Semiconductors: Driving Technological BreakthroughsSupporting the semiconductor industry with vital core components essential for chip production and related equipment, ensuring seamless operations and fostering innovation.
- New Energy: Pioneering the Path to Sustainable InnovationActively contributing to the sustainable advancement of innovative energy equipment, spearheading eco-friendly technological innovations.
- Automotive: Energizing the Future of MobilityProviding crucial components that fuel innovation in the automotive sector, playing a significant role in the evolution of smart and electric vehicles.
Main Products: Expertise in Tailored Customization
- We specialize in crafting bespoke, non-standard customized components, extensively serving the medical, automation, semiconductor, and automotive industries with unmatched precision and extraordinary 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, empowering us to expertly navigate a comprehensive spectrum of equipment categories. Our sophisticated capabilities enable us to expertly cater to the intricate machining needs of a diverse array of industries, delivering precision and efficiency that redefine excellence in metal engineering.
- Boasting over twenty years of unmatched expertise, we seamlessly combine extensive production knowledge with exceptional technical acumen and process innovation. Our steadfast dedication to superior quality and forward-thinking innovation positions us as pioneers in precision engineering. Leading the charge in technological innovation, we continually push the boundaries to meet the ever-evolving demands of the industry with unrivaled expertise.
State-of-the-Art Production Equipment
High-Precision Inspection Equipment
Quality Ensurance
Exemplary Evaluation of Incoming Materials
At the core of Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd., every piece of raw material that enters our distinguished facilities is subjected to an intricate and unparalleled evaluation process. This meticulous scrutiny ensures that our materials align perfectly with our elite quality standards, featuring a comprehensive analysis of both chemical compositions and physical attributes. In our relentless quest for perfection, every supplier must provide a Certificate of Origin along with an officially sanctioned Declaration of Conformity. This rigorous procedure ensures that only the highest quality and purest materials are selected for our precision-driven medical machining projects. Our steadfast protocols reflect an unwavering commitment to delivering extraordinary quality, consistently achieving the perfection we promise.
Meticulous In-Process Quality Control
Within our state-of-the-art machining operations, every component is meticulously scrutinized to ensure that its dimensions and tolerances not only meet but exceed our stringent specifications. Our continuous and vigilant inspection protocol is expertly designed to identify potential defects at the earliest possible stage, embodying a proactive approach that is vital in intercepting non-conforming parts. This significantly reduces the risk of substandard products, ensuring superior quality throughout every phase of the production journey. This process epitomizes our steadfast commitment to unmatched excellence.
Pioneering and Visionary First Article Inspection (FAI)
Our First Article Inspection (FAI) represents a pivotal strategic initiative, crucial for the early identification and swift rectification of potential production challenges. This visionary approach guarantees prompt resolution of issues, preventing their escalation into significant production obstacles. The precision and meticulousness of our FAI dramatically mitigate quality risks, ensuring our products consistently adhere to the highest industry standards. This unwavering dedication to excellence permeates our entire production cycle, enabling us to consistently surpass the most demanding quality benchmarks and solidifying our reputation for superior quality.
Comprehensive and Rigorous Final Inspection
Before leaving our esteemed facility, each product undergoes a comprehensive and rigorous final inspection. This critical evaluation encompasses dimensions, appearance, performance, and any specific customer requirements. Our thorough inspections represent our relentless pursuit of quality, ensuring that every dispatched part adheres to our rigorous standards. We remain steadfast in our mission to deliver only the highest-caliber products to our valued clientele, upholding our exemplary reputation for excellence and reliability.
Packaging & Shipping
Company Profile
Established in 2009, the prestigious Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd. draws upon a distinguished legacy that dates back to 2002, positioning itself as a luminary in the domain of high-precision component machining. For over two decades, our relentless drive for innovation has propelled us to the summit of technical research, solidifying our standing as both trailblazers and visionaries in the precision engineering industry. Our Journey Our extraordinary journey has propelled us to unparalleled technical heights, enhancing our esteemed reputation in the marketplace as the indisputable leaders in our domain. Our unrivaled proficiency in precision medical machining ensures the attainment of exceptionally tight tolerances and immaculate surface finishes, making us the go-to partner for the medical industry's stringent demands.
Boasting four meticulously positioned production bases within the vibrant hubs of Shenzhen and Guiyang, supported by an outstanding team of over 400 highly skilled professionals, Donghui has expertly crafted a comprehensive and vertically integrated industry chain. This chain seamlessly integrates research and development, production, and delivery, enabling us to consistently exceed our customers' diverse expectations with extraordinary efficiency and unparalleled quality. Our state-of-the-art facilities are specifically designed to undertake the most intricate and demanding machining projects, upholding our revered reputation for excellence and innovative leadership.
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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