Product application
At Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd., our commitment is more than just duty; it is a heartfelt passion fueled by the artful mastery and precision science of advanced manufacturing. Our unparalleled expertise is a beacon in the world of elite component fabrication, guiding you to achieve exemplary precision and excellence. We are trailblazing the future with innovative intelligent automation equipment. Our advanced solutions span a wide array of industries, seamlessly addressing various applications, including:
- Medical and Biotech: We offer intricately crafted high-precision components and pioneering solutions for cutting-edge medical devices, consistently maintaining the highest quality standards.
- Semiconductors: We empower the semiconductor industry by providing essential core components integral to the efficiency and success of chip manufacturing and its equipment.
- New Energy: We actively drive the sustainable development of next-generation energy equipment, championing the cause of eco-friendly technological advancement.
- Automotive: We supply critical components that propel innovation in the automotive industry, supporting the rise of intelligent and electric vehicles.
Main Products
- Our forte lies in non-standard, customized components, extensively catering to the medical, automation, semiconductor, and automotive sectors, delivering unmatched precision and superior quality at every turn.
Why choose us
Core Advantages
- A Fleet of Excellence Our operations proudly showcase a remarkable collection comprising over 300 renowned machines, empowering us to expertly address an extensive range of equipment categories. This capability enables us to adeptly meet the complex machining requirements of various industries with unmatched precision and efficiency.
- With a rich history spanning two decades, we harness a wealth of production experience combined with substantial technical and process expertise, ensuring superior quality and forward-thinking innovation. This distinguishes us as trailblazers in the domain of precision engineering.
State-of-the-Art Production Equipment
High-Precision Inspection Equipment
Quality Ensurance
Premier Incoming Material Examination
Every raw material entering our facility is rigorously subjected to an exhaustive and stringent examination process. Our meticulous analyses involve a comprehensive evaluation of the chemical composition and a thorough inspection of the physical properties. We maintain an unwavering commitment to quality by mandating that every supplier provides a Certificate of Origin and a stamped Declaration of Conformity. This ensures that only the finest materials are selected for use in our high-precision medical machining services. Our rigorous authentication process guarantees that these materials meet the highest standards of integrity and purity, perfectly aligning with our steadfast dedication to quality excellence.
Comprehensive In-Process Quality Assurance
Within our intricate and precise machining operations, every component is meticulously scrutinized to ensure its dimensions and tolerances not only meet but surpass our exacting specifications. Our diligent and continuous inspection protocol is strategically designed to intercept potential defects at an early stage, thereby preventing non-conforming parts from advancing to subsequent stages. This vigilant approach is pivotal in minimizing the risk of substandard goods, ensuring superior quality at each phase of production, and consistently maintaining excellence throughout the entire process.
Strategic and Proactive First Article Inspection (FAI)
Our First Article Inspection (FAI) process serves as a foundational strategy crucial for identifying and resolving potential production challenges in their nascent stages. This proactive approach prevents issues from escalating into mass production. The comprehensive and precise nature of our FAI process is essential in minimizing quality risks, ensuring our products consistently ascend to the pinnacle of standards. This dedication to excellence permeates every facet of the production cycle, guaranteeing that we meet and exceed the highest quality benchmarks consistently.
Meticulous and Thorough Final Inspection
Before any product exits our facility, it undergoes a meticulous and thorough final inspection. This process rigorously evaluates dimensions, visual appearance, performance, and any customer-specific requirements. Our comprehensive inspection process is a testament to our relentless commitment to quality, ensuring that every part dispatched from our facility meets our exacting standards. We remain steadfast in delivering only the highest quality products to our valued customers, upholding our reputation for excellence and reliability.
Packaging & Shipping
Company Profile
Founded in 2002 and officially established in 2009, Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd. has risen as a beacon of proficiency in the domain of high-precision basic component machining. For over twenty years, our commitment to pioneering innovation has propelled us into the forefront of precision engineering, driven by extensive technical research and development. We have cultivated a vast reservoir of technical prowess, garnering a remarkable reputation that distinguishes us as industry leaders. Our unparalleled expertise in precision medical machining services consistently delivers extraordinarily tight tolerances and flawless surface finishes. This exceptional standard ensures we remain the top choice for the medical sector's exacting demands.
With four strategically positioned production bases in the dynamic cities of Shenzhen and Guiyang, supported by a committed team of over 400 highly skilled employees, Donghui has engineered a powerful and seamlessly integrated industry chain. This chain expertly combines research and development, production, and delivery, enabling us to surpass the varied expectations of our clients with exceptional efficiency and unparalleled quality. Our cutting-edge facilities are designed to tackle the most complex and exacting machining challenges, sustaining our reputation for excellence and visionary 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}