Discover the epitome of precision and excellence with our OEM customized medical CNC machining, turning, and lathing services, meticulously crafted for medical applications. At Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd., we pride ourselves on our unrivaled expertise in machining, guaranteeing that each part is manufactured to meet the most stringent standards. With an astonishing tolerance precision of +/- 0.003mm, even for non-standard hardware accessories, our commitment to quality is unmatched. Choose us for exceptional quality and unwavering reliability in every component, perfectly tailored to meet your unique specifications. Experience the difference in precision engineering today.
Product application
At Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd., our relentless dedication transcends mere responsibility; it is a passionate quest for the exceptional artistry and meticulous science that epitomizes precision manufacturing. Driven by an unyielding zeal for perfection, we transform every component into a masterpiece of excellence. Our unrivaled expertise illuminates the landscape of high-end component fabrication, pioneering a path to unmatched precision and outstanding excellence. We are innovators at the forefront of creating and producing groundbreaking intelligent automation equipment. Our cutting-edge solutions cater to a myriad of industries, precisely and efficaciously addressing diverse application needs, including:
- Medical and Biotech: Elevating Healthcare with Precision and Innovation: Delivering meticulously engineered, high-precision components and state-of-the-art solutions for revolutionary medical devices, consistently maintaining the supreme quality standards synonymous with our brand of excellence.
- Semiconductors: Catalyzing Technological Advancements with Precision: Empowering the semiconductor industry by providing essential core components indispensable for chip production and related equipment, ensuring seamless success and fostering groundbreaking innovations.
- New Energy: Leading the Charge in Sustainable Innovation and Eco-Conscious Progress: Engaging dynamically in the sustainable progress of pioneering energy equipment, driving forward eco-conscious technological innovations, and steering the future of energy.
- Automotive: Fuelling the Future of Mobility with Innovation: Delivering vital components that drive innovation in the automotive sector, contributing significantly to the evolution of intelligent and electric vehicles, paving the way for smarter transportation.
Main Products: Mastery in Customization and Precision Engineering
- We excel in crafting bespoke, non-standard customized components, extensively serving the medical, automation, semiconductor, and automotive industries with unparalleled precision and superior quality, ensuring each product is a testament to our commitment to excellence.
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 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.
- Boasting a rich heritage spanning two decades, we harness our extensive production expertise, merged with remarkable technical and process acumen. Our commitment guarantees not only exceptional quality but also visionary innovation. This dedication firmly establishes us as trailblazers in the realm of precision engineering.
State-of-the-Art Production Equipment
High-Precision Inspection Equipment
Quality Ensurance
Exemplary Incoming Material Assessment
At Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd., we elevate quality assurance to an art form. Every single raw material crossing our threshold is rigorously evaluated through a comprehensive and exacting process. This meticulous scrutiny not only meets but surpasses our extraordinary standards of quality. We conduct thorough analyses of both chemical compositions and physical properties, never compromising on our commitment to excellence. Each supplier is required to provide a Certificate of Origin along with a stamped Declaration of Conformity, certifying the integrity and purity of the materials. Through this rigorous evaluation protocol, we ensure that only the finest materials are integrated into our precision-driven medical machining services. Our authentication process reflects our dedication to delivering unparalleled quality, consistently aligning with our mission of excellence.
Meticulous In-Process Quality Assurance
Our sophisticated machining operations are bolstered by a meticulous in-process quality assurance regimen. Every component is subjected to rigorous scrutiny to ensure that its dimensions and tolerance levels not only meet but exceed our stringent specifications. This continuous and diligent inspection process is expertly crafted to detect potential defects at the earliest stage, preventing non-conforming parts from advancing further. By adopting this vigilant approach, we effectively mitigate risks associated with substandard goods, ensuring that superior quality is maintained at each production stage, thereby upholding our commitment to excellence throughout the entire manufacturing process.
Proactive and Strategic First Article Inspection (FAI)
Our First Article Inspection (FAI) process is a cornerstone of our strategic initiatives, playing a vital role in the early identification and resolution of potential production issues. This proactive approach efficiently addresses challenges before they escalate into major concerns during mass production. The comprehensive and precise nature of our FAI process is instrumental in reducing quality risks, thereby ensuring that our products consistently achieve industry-leading standards. This unwavering commitment to excellence is deeply embedded in every phase of our production cycle, enabling us to not only meet but consistently surpass the most stringent quality benchmarks.
Comprehensive and Rigorous Final Inspection
Before a product exits the hallowed halls of our prestigious facility, it undergoes an exhaustive and rigorous final inspection. This critical evaluation meticulously examines dimensions, visual aesthetics, performance, and any specific requirements from our customers. Our thorough inspection process stands as a testament to our relentless dedication to quality, ensuring that every part leaving our facility measures up to our exacting standards. We are steadfast in our mission to deliver only the finest products to our valued clientele, thereby upholding our sterling reputation for excellence and reliability.
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Company Profile
Founded in 2009, yet with roots deeply embedded since 2002, Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd. emerges as a beacon of excellence in the world of high-precision component machining. Our journey over two decades is a testament to relentless innovation, which places us at the forefront of technical research and cements our reputation as pioneers in the field of precision engineering. We have achieved an extraordinary level of technical proficiency that fortifies our prestigious market standing, marking us as leaders in the industry. Our unmatched expertise in precision medical machining consistently delivers remarkably tight tolerances and flawless surface finishes, establishing us as the preferred partner for the medical sector.
With four strategically positioned production bases nestled in the dynamic cities of Shenzhen and Guiyang, supported by a select team of over 400 highly skilled professionals, Donghui has expertly developed a comprehensive and vertically integrated industry chain. This intricately weaves together research and development, production, and delivery, enabling us to surpass our customers' varied needs with outstanding efficiency and unparalleled quality. Our cutting-edge facilities are meticulously designed to manage the most intricate and demanding machining projects, preserving our esteemed reputation for excellence and trailblazing 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)
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