Product application
At Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd., our commitment goes beyond mere duty; it is fueled by an unwavering passion for the artful craft and scientific rigor of precision manufacturing. Our unparalleled expertise shines brightly in the world of high-end component fabrication, steering the course toward flawless accuracy and precision. We are at the forefront of developing and producing revolutionary intelligent automation equipment. Our state-of-the-art solutions serve a vast array of industries, meeting diverse and demanding applications, including:
- Medical and Biotech: Delivering exquisitely engineered high-precision components and cutting-edge solutions for modern medical devices, maintaining the highest standards of excellence.
- Semiconductors: Strengthening chip production and its related equipment by providing essential core components that are key to the industry's advancement.
- New Energy: Actively participating in the dynamic and sustainable innovation of new energy equipment, promoting environmentally friendly technological advancement.
- Automotive: Supplying critical components that drive innovation within the automotive industry, supporting the progress of smart and electric vehicle technologies.
Main Products
- We excel in creating customized non-standard components, extensively catering to the medical, automation, semiconductor, and automotive sectors, ensuring unparalleled precision and exceptional quality.
Why choose us
Core Advantages
- A Fleet of Excellence Our operations proudly showcase an extraordinary ensemble of more than 300 renowned machines, enabling us to expertly navigate an extensive array of equipment categories. This unrivaled capability empowers us to adeptly fulfill the intricate machining needs of various industries with unmatched precision and efficiency.
- With a storied history spanning two decades, we harness extensive production experience along with substantial technical and process expertise, ensuring superior quality and groundbreaking innovation, distinguishing us as leaders in the field of precision engineering.
State-of-the-Art Production Equipment
High-Precision Inspection Equipment
Quality Ensurance
Exemplary Incoming Material Examination
Each raw material entering our warehouse undergoes an exhaustive and stringent examination process. Our meticulous analyses include evaluating the chemical composition and a thorough inspection of the physical properties. We uphold an unwavering commitment to quality by requiring every supplier to provide 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 commitment to quality.
Intensive 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 exceed our exacting specifications. Our diligent and continuous inspection protocol is strategically designed to intercept potential defects early on, thereby preventing non-conforming parts from progressing to subsequent stages. This vigilant approach is pivotal in minimizing the risk of substandard goods, ensuring superior quality at each phase of production, and maintaining excellence throughout the entire process.
Strategic First Article Inspection (FAI)
Our First Article Inspection (FAI) process serves as a foundational strategy, crucial for identifying and resolving potential production challenges at an early stage. 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 aspect of the production cycle, guaranteeing that we meet and exceed the highest quality benchmarks.
Meticulous Comprehensive Final Inspection
Before any product leaves 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 are steadfast in delivering only the highest quality products to our valued customers, upholding our reputation for excellence and reliability.
Packaging & Shipping
Company Profile
Since its inception in 2009, rooted in its founding in 2002, Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd. has flourished as a beacon of expertise in the realm of high-precision basic component machining. With a steadfast commitment to groundbreaking innovation over the past two decades, we have delved deeply into technical research, establishing an esteemed legacy as pioneers in the art of precision engineering. We have garnered an extensive reservoir of technical prowess, securing an enviable market reputation that positions us as a leader within the industry. Our prowess in precision medical machining services remains unrivaled, consistently achieving incredibly tight tolerances and pristine surface finishes, making us the go-to choice in the demanding medical sector.
With four strategically situated production bases nestled within the bustling locales of Shenzhen and Guiyang, supported by a dedicated ensemble of over 400 highly skilled employees, Donghui has sculpted a formidable and vertically integrated industry chain. This chain seamlessly intertwines research and development, production, and delivery, ensuring that we consistently meet and surpass the diverse expectations of our customers with unparalleled efficiency and unmatched quality. Our cutting-edge facilities are expertly equipped to undertake the most intricate and demanding machining tasks, upholding our sterling reputation for excellence and pioneering 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}