Product application
At Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd., our journey transcends the ordinary, as we passionately weave the exquisite artistry and meticulous science that embody precision manufacturing. With an unwavering dedication to impeccable flawlessness, we elevate every component to the zenith of craftsmanship and unparalleled excellence. Our unrivaled expertise illuminates the path in the realm of high-end component fabrication, paving the way toward unmatched precision and extraordinary excellence. At the forefront of innovation, we specialize in constructing groundbreaking intelligent automation equipment. Our cutting-edge solutions seamlessly cater to an expansive array of industries, meticulously addressing diverse application needs across various sectors, including:
- Medical and Biotech: Revolutionizing Healthcare With Unmatched Precision and CareProviding intricately crafted, high-precision components and pioneering solutions for avant-garde medical devices, consistently upholding the premium quality standards synonymous with the excellence of our esteemed brand.
- Semiconductors: Driving Technological Breakthroughs and InnovationsEmpowering the semiconductor industry with crucial core components essential for chip production and related equipment, facilitating seamless operations and fostering groundbreaking innovation.
- New Energy: Pioneering the Path to Sustainable and Eco-Friendly InnovationActively contributing to the sustainable evolution of innovative energy equipment, leading the charge in eco-friendly technological advancements and innovations.
- Automotive: Energizing the Future of Mobility and InnovationDelivering vital components that energize innovation in the automotive sector, playing a pivotal role in the evolution and advancement of smart and electric vehicles.
Main Products: Mastery in Tailored Customization
- We excel in crafting bespoke, non-standard customized components, extensively serving the medical, automation, semiconductor, and automotive industries with unparalleled 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 more than 300 renowned machines, empowering us to expertly navigate a vast array of equipment categories. This unmatched capability enables us to masterfully fulfill the complex machining requirements across various industries with exceptional precision and efficiency. We set the gold standard in metal engineering, continually redefining what's possible.
- With a proud legacy of excellence spanning over two decades, we leverage our extensive production expertise, exceptional technical prowess, and deep process knowledge. Our steadfast dedication not only guarantees superior quality but also drives innovative insight, positioning us as trailblazers in the realm of precision engineering. We lead the charge in technological advancements, consistently pushing the limits to address the industry's ever-evolving demands with unparalleled skill and expertise.
State-of-the-Art Production Equipment
High-Precision Inspection Equipment
Quality Ensurance
Unmatched Excellence in Incoming Material Assessment
At the core of Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd. lies an unwavering dedication to supreme quality. Every raw material that enters our illustrious facility is subjected to an intensive and unmatched evaluation process. This meticulous examination guarantees absolute compliance with our esteemed quality benchmarks, incorporating a comprehensive analysis of chemical compositions and physical properties. In our tireless quest for perfection, each supplier is required to provide a Certificate of Origin along with a certified Declaration of Conformity. Such a stringent selection process ensures that only the purest and most superior materials are chosen for our precision medical machining projects. Our rigorous protocols embody an unwavering pledge to deliver extraordinary quality, consistently achieving the perfection we vow to provide.
Precision-Driven In-Process Quality Assurance
Within our cutting-edge machining operations, each component undergoes meticulous examination to guarantee that dimensions and tolerances not only fulfill but exceed our rigorous specifications. Our constant and vigilant inspection process is expertly crafted to detect potential defects at the earliest possible stage. This proactive strategy is crucial in intercepting non-compliant parts, significantly reducing the likelihood of below-par products. This ensures exceptional quality at every step of the production journey, embodying our unwavering commitment to unmatched excellence.
Innovative and Visionary First Article Inspection (FAI)
Our First Article Inspection (FAI) stands as a crucial strategic initiative, pivotal for the early identification and immediate rectification of any potential production issues. This visionary approach ensures swift resolution, preventing issues from escalating into major production hurdles. The precision and thoroughness of our FAI significantly reduce quality risks, ensuring our products consistently meet the highest industry standards. This relentless dedication to excellence permeates our entire production process, enabling us to consistently surpass the most exacting quality benchmarks and reinforcing our reputation for superior quality.
Comprehensive and Rigorous Final Inspection
Before leaving our distinguished facility, each product undergoes a comprehensive and rigorous final inspection. This critical evaluation covers dimensions, appearance, performance, and any specific customer requirements. Our thorough inspections symbolize our relentless pursuit of quality, ensuring that every part dispatched meets our stringent standards. We remain committed to delivering only the highest-quality products to our valued clients, upholding our exemplary reputation for excellence and reliability.
Packaging & Shipping
Company Profile
Established in 2009, Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd. is a distinguished leader in high-precision component machining. With a legacy extending back to 2002, we are renowned as trailblazers in technical research and innovation. For over two decades, our relentless pursuit of excellence has secured our status as visionaries in the precision engineering domain, consistently setting benchmarks in the industry. Our Journey Our extraordinary journey has elevated us to remarkable technical heights, solidifying our esteemed market reputation as unparalleled leaders. Our unmatched skill in precision medical machining ensures the achievement of incredibly tight tolerances and immaculate surface finishes. This expertise makes us the preferred partner for meeting the stringent demands of the medical industry.
Boasting four strategically located production bases in the vibrant hubs of Shenzhen and Guiyang, supported by a formidable team of over 400 highly skilled professionals, Donghui has expertly curated a comprehensive and vertically integrated industry chain. This seamless chain encompasses every facet from research and development to production and delivery, enabling us to consistently exceed our customers' diverse demands with extraordinary efficiency and unparalleled quality. Our state-of-the-art facilities are designed to tackle the most intricate and demanding machining projects, upholding our revered reputation for excellence and pioneering 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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