Product application
At Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd., our commitment transcends mere duty; it is fueled by an impassioned enthusiasm for the artful craft and exacting science of precision manufacturing. Our unparalleled expertise stands as a beacon in the field of high-end component fabrication, lighting the way to impeccable precision and unmatched quality. We are at the forefront of developing and manufacturing revolutionary intelligent automation equipment. Our state-of-the-art solutions cater to a wide array of industries, effectively meeting diverse applications, including:
- Medical and Biotech: Providing meticulously crafted high-precision components and pioneering solutions for cutting-edge medical devices, maintaining the highest quality standards.
- Semiconductors: Bolstering chip production and its essential apparatus by supplying critical core components vital to the success of the industry.
- New Energy: Actively contributing to the robust and sustainable development of innovative energy equipment, driving forward eco-friendly technological advancements.
- Automotive: Supplying essential components that ignite innovation within the automotive sector, fostering the evolution of smart and electric vehicles.
Main Products
- We excel in creating non-standard customized components, extensively serving the medical, automation, semiconductor, and automotive industries, guaranteeing unmatched precision and superior quality.
Why choose us
Core Advantages
- A Fleet of Excellence At the heart of our operations is an outstanding ensemble of over 300 world-renowned precision machines, empowering us to expertly tackle a broad spectrum of equipment categories. Our proficiency enables us to meticulously fulfill the complex machining requirements of diverse industries, delivering superior precision and unmatched efficiency.
- Boasting a storied history of two decades, we combine extensive production experience with deep technical and process expertise. This unique blend ensures exceptional quality and cutting-edge innovation, distinguishing us as trailblazers in the field of precision engineering.
State-of-the-Art Production Equipment
High-Precision Inspection Equipment
Quality Ensurance
Unparalleled Incoming Material Examination
Every piece of raw material that arrives at our facility is subject to an exhaustive and rigorous evaluation. Our meticulous analysis processes include a thorough assessment of the chemical composition and an in-depth inspection of physical characteristics. We are unwavering in our dedication to quality, requiring suppliers to furnish a Certificate of Origin along with a stamped Declaration of Conformity. This ensures that only the crème de la crème of materials are integrated into our precision medical machining services. Our scrupulous verification process guarantees these materials adhere to the utmost standards of integrity and purity, harmonizing perfectly with our steadfast quality commitment.
Intensive and Proactive In-Process Quality Assurance
In our finely-tuned and precise machining operations, each component is thoroughly examined to ensure that dimensions and tolerances not only meet but surpass our stringent specifications. Our diligent and continual inspection protocol is strategically crafted to detect potential defects promptly, thereby halting any non-conforming parts from advancing to subsequent stages. This proactive vigilance is crucial in reducing the risk of subpar goods, ensuring exceptional quality at each stage of production, and upholding excellence throughout our entire process.
Strategic and Proactive First Article Inspection (FAI)
Our First Article Inspection (FAI) process is a cornerstone strategy essential for identifying and mitigating potential production hurdles at a nascent stage. This proactive approach effectively prevents issues from snowballing into mass production complications. The thoroughness and precision of our FAI process are vital in minimizing quality risks, ensuring our products consistently reach the zenith of standards. This unwavering dedication to excellence permeates every facet of the production cycle, solidifying our promise to meet and exceed the most stringent quality benchmarks.
Meticulous and Comprehensive Final Inspection
Before any product departs from our facility, it is subjected to a meticulous and comprehensive final inspection. This process rigorously assesses dimensions, visual aesthetics, performance, and any customer-specific requirements. Our exhaustive inspection process stands as a testament to our relentless dedication to quality, ensuring every part dispatched from our facility meets our exacting standards. We are resolute in delivering nothing short of the highest quality products to our esteemed customers, reinforcing our esteemed reputation for excellence and reliability.
Packaging & Shipping
Company Profile
Since its inception in 2009, following its founding roots in 2002, Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd. has emerged as a bastion of expertise in high-precision basic component machining. With an unwavering dedication to innovation over the past two decades, we have delved deep into technical research, establishing ourselves as true pioneers in precision engineering. We have amassed a wealth of technical expertise, earning a stellar market reputation that sets us apart as a leader in the industry. Our capabilities in precision medical machining services are unmatched, consistently achieving incredibly tight tolerances and impeccable surface finishes, making us the preferred choice in the medical sector.
With four strategically located production bases in the vibrant and bustling hubs of Shenzhen and Guiyang, powered by a dedicated workforce of over 400 highly skilled employees, Donghui has crafted a robust and vertically integrated industry chain. This chain seamlessly weaves together research and development, production, and delivery, ensuring that we meet and exceed the diverse needs of our customers with outstanding efficiency and unrivaled quality. Our state-of-the-art facilities are intelligently equipped to handle the most intricate and demanding machining tasks, maintaining our well-earned reputation for excellence and groundbreaking 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)
Audited Supplier 
){kind=link}