Product application
At Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd., our dedication transcends simple obligation; it is driven by a passionate fervor for the exquisite craft and meticulous science of precision manufacturing. Our unmatched expertise serves as a guiding light in the realm of high-end component fabrication, illuminating the path to meticulous precision. We are pioneering the development and production of groundbreaking intelligent automation equipment. Our cutting-edge solutions cater to a multitude of industries, effectively addressing diverse applications, including:
- Medical and Biotech: Delivering meticulously engineered high-precision components and innovative solutions for state-of-the-art medical devices, upholding the pinnacle of quality standards.
- Semiconductors: Empowering chip production and its associated equipment by supplying indispensable core components that are crucial to the industry's success.
- New Energy: Engaging in the vigorous and sustainable advancement of innovative energy equipment, furthering eco-friendly technological progress.
- Automotive: Providing vital components that fuel innovation within the automotive sector, aiding the evolution of smart and electric vehicles.
Main Products
- We specialize in non-standard customized components, extensively serving the medical, automation, semiconductor, and automotive industries, ensuring unmatched precision and superior quality.
Why choose us
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.
- With a rich history spanning two decades, we leverage vast production experience combined with substantial technical and process prowess, guaranteeing exceptional quality and forward-thinking innovation, setting us apart as pioneers in the realm of precision engineering.
State-of-the-Art Production Equipment
High-Precision Inspection Equipment
Quality Ensurance
Exemplary Incoming Material Examination
Every raw material that enters our warehouse undergoes an exhaustive and stringent examination process, guaranteeing unparalleled quality. Our meticulous analyses are conducted with precision, encompassing a thorough evaluation of both chemical composition and physical properties. We maintain an unwavering dedication to excellence by requiring each supplier to provide a Certificate of Origin and a stamped Declaration of Conformity. This ensures that only the highest-grade materials are selected for use in our high-precision medical machining services. Our rigorous authentication process ensures these materials consistently meet the most exacting standards of integrity and purity, seamlessly aligning with our steadfast commitment to quality.
Intensive In-Process Quality Assurance
At the heart of our intricate and precise machining operations lies a meticulous scrutiny of every component. We ensure that dimensions and tolerances not only meet but surpass our rigorous specifications. Our diligent and continuous inspection protocol is expertly crafted to intercept any potential defects early in the process, thereby safeguarding the subsequent stages from non-conforming parts. This vigilant approach is crucial in minimizing the risk of substandard goods, guaranteeing superior quality at each phase of production, and upholding excellence throughout the entire process.
Strategic First Article Inspection (FAI)
Our First Article Inspection (FAI) process is a cornerstone strategy that is crucial for identifying and resolving potential production challenges early. This proactive and comprehensive approach ensures issues are addressed before they can escalate into larger-scale production concerns. The precision and thoroughness of our FAI process are key in minimizing quality risks, ensuring our products consistently reach the pinnacle of standards. This unwavering dedication to unparalleled excellence permeates every facet of the production cycle, guaranteeing that we not only meet but exceed the highest quality benchmarks.
Meticulous Comprehensive Final Inspection
Before any product departs from our facility, it is subjected to a meticulous and comprehensive final inspection. This rigorous process evaluates dimensions, visual appearance, performance, and any customer-specific requirements. Our in-depth inspection process stands as a testament to our relentless commitment to quality, ensuring that every part dispatched from our facility meets our exacting standards. We remain unwavering in our promise to deliver only the highest quality products to our valued customers, thereby upholding 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. Boasting two decades of relentless dedication to innovation, we have engaged in profound technical research, positioning ourselves as trailblazers in precision engineering. We have amassed an unparalleled wealth of technical expertise, earning a sterling reputation that distinguishes us as a vanguard in the industry. Our unmatched capabilities in precision medical machining services allow us to consistently achieve incredibly tight tolerances and flawless surface finishes, making us the eminent choice in the medical sector.
With four strategically situated production bases in the dynamic epicenters of Shenzhen and Guiyang, fueled by a devoted workforce exceeding 400 skilled professionals, Donghui has meticulously crafted a robust, vertically integrated industry chain. This seamlessly unifies research and development, production, and delivery, allowing us to meet and exceed the diverse needs of our clients with outstanding efficiency and unparalleled quality. Our state-of-the-art facilities are engineered to handle even the most intricate and demanding machining tasks, upholding our 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}