Product application
At Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd., we transform precision manufacturing into an art form. Our unwavering commitment to excellence ensures that each component we produce is a masterpiece of craftsmanship, embodying both scientific precision and artistic elegance. Our unmatched expertise in high-end component fabrication is the hallmark of our dedication to exceptional precision and extraordinary quality. We lead with innovation, delivering excellence in every project we undertake. At the forefront of innovation, we specialize in designing state-of-the-art intelligent automation equipment. Our advanced solutions are tailored to meet the diverse needs of various industries, offering precision and performance across a wide array of applications, including:
- Medical and Biotech: Revolutionizing Healthcare with Precision and CareWe supply meticulously engineered, high-precision components that are integral to groundbreaking medical devices, consistently delivering the premium quality associated with our brand's legacy.
- Semiconductors: Catalyzing Technological EvolutionOur support for the semiconductor industry is robust, providing essential core components crucial for chip production and related equipment, ensuring seamless operation and fostering continuous innovation.
- New Energy: Leading Sustainable InnovationWe are actively engaged in promoting sustainable advancements in innovative energy equipment, contributing to eco-friendly technological revolutions.
- Automotive: Driving the Future of Smart MobilityWe supply key components that foster innovation in the automotive sector, significantly contributing to the evolution of smart and electric vehicles, setting the pace for future mobility.
Main Products: Superior Customized Solutions
- Our expertise lies in the precision crafting of bespoke, non-standard components. We deliver exceptional quality to the medical, automation, semiconductor, and automotive industries, ensuring each piece meets the highest standards of precision and excellence.
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. This capability empowers us to skillfully fulfill the intricate machining needs of diverse industries with unparalleled precision and efficiency. Our extensive machinery selection allows us to cater meticulously to various complex machining requirements, enhancing our adaptability and ensuring optimal solutions for each unique client demand.
- With a legacy of excellence that spans over two decades, we harness our vast production expertise combined with outstanding technical prowess and process knowledge. Our unwavering commitment ensures not only superior quality but also innovative foresight, establishing us as pioneers in the field of precision engineering. This dedication to excellence and innovation is what solidifies our standing as leaders in the industry, consistently setting benchmarks with our cutting-edge techniques and visionary approach.
State-of-the-Art Production Equipment
High-Precision Inspection Equipment
Quality Ensurance
Outstanding Incoming Material Evaluation
Upon arrival at our distinguished facility, every raw material undergoes a comprehensive and rigorous evaluation process, meticulously crafted to meet our extraordinary quality benchmarks. This exhaustive analysis includes an in-depth exploration of chemical compositions and a meticulous inspection of physical properties. In our unwavering pursuit of perfection, we require suppliers to provide a Certificate of Origin along with a duly endorsed Declaration of Conformity. This ensures only materials of exceptional integrity and purity are selected for our precision-driven medical machining endeavors. Our rigorous protocol harmoniously aligns with our steadfast commitment to delivering exceptional quality, echoing the promise of perfection we consistently uphold.
Meticulous In-Process Quality Control
Within our state-of-the-art machining operations, each component is meticulously scrutinized to ensure that dimensions and tolerances not only meet but exceed our stringent specifications. Our vigilant and continuous inspection protocol excels in identifying potential defects early, thereby preventing non-conforming parts from advancing further in the process. This diligent approach is essential in minimizing the risk of substandard goods, securing superior quality at every stage, and maintaining unparalleled excellence throughout the production journey, exemplifying our unyielding commitment to quality.
Pioneering and Proactive First Article Inspection (FAI)
Our First Article Inspection (FAI) is a vital strategic initiative, crucial for the early identification and swift resolution of potential production challenges. This proactive approach ensures any issues are efficiently addressed before they develop into significant production concerns. The meticulous precision of our FAI dramatically reduces quality risks, ensuring our products consistently meet the highest industry standards. This relentless commitment to excellence permeates the entire production cycle, guaranteeing we consistently exceed the most stringent quality benchmarks and bolstering our reputation for superior quality.
Exhaustive and Thorough Final Inspection
Before departing from our esteemed facility, our products undergo an exhaustive and thorough final inspection process. This meticulous evaluation covers all aspects, including dimensions, appearance, performance, and customer-specific requirements. Our thorough inspections reflect our relentless dedication to quality, ensuring every part dispatched aligns with our exacting standards. We remain resolute in our mission to deliver only the highest-caliber products to our valued customers, sustaining our outstanding reputation for excellence and reliability.
Packaging & Shipping
Company Profile
Established in 2009, Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd. has a rich legacy tracing back to 2002, earning its place as a luminary in the realm of high-precision component machining. Over two decades of relentless innovation have propelled us to the pinnacle of technical research, solidifying our status as pioneers and visionaries in the precision engineering sector. Our journey has elevated us to extraordinary technical heights, fortifying our revered market reputation as the undisputed leaders in the field. Our unparalleled expertise in precision medical machining guarantees the achievement of exceptionally tight tolerances and immaculate surface finishes, making us the ultimate partner of choice for the medical industry.
Boasting four strategically placed production bases in the vibrant hubs of Shenzhen and Guiyang, fueled by a powerhouse team of over 400 exceptionally talented professionals, Donghui has expertly forged a comprehensive and vertically integrated industry chain. This chain seamlessly incorporates research and development, production, and delivery, allowing us to not only meet but consistently exceed our customers' diverse demands with outstanding efficiency and unparalleled quality. Our state-of-the-art facilities are meticulously designed to conquer the most intricate and challenging machining assignments, safeguarding our esteemed reputation for excellence and groundbreaking 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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