Product application
At Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd., we are on a relentless quest to achieve the apex of precision manufacturing. Here, timeless craftsmanship gracefully intertwines with pioneering innovation, creating a symphony of excellence. Our laser-focused devotion to quality ensures every masterpiece we craft exudes flawless perfection. With an unwavering commitment to quality craftsmanship and the latest in technology, we stand apart by delivering exceptional results with every intricately designed component. Our unmatched expertise in precision engineering sets the industry benchmark for component manufacturing excellence. We exhibit remarkable agility and refined finesse, guaranteeing peerless quality in every aspect of our operations, solidifying our position as industry trailblazers. As pioneers of innovation, we set the gold standard in the design and delivery of revolutionary intelligent automation equipment. Our cutting-edge solutions seamlessly integrate across various industries, adeptly addressing the unique challenges of diverse applications, including:
- Medical and BiotechOur meticulously engineered, ultra-high-precision components and transformative solutions stand at the forefront of advanced medical technologies, establishing new benchmarks in the field.
- SemiconductorsWe drive extraordinary advancements in the semiconductor industry by enhancing chip fabrication and related equipment, providing essential and critical components that boost efficiency.
- New EnergyWe play a pivotal role in the progress of innovative and sustainable next-generation energy equipment, contributing to the future landscape of energy solutions.
- AutomotiveWe supply crucial components that fuel innovation within the automotive industry, propelling the evolution of intelligent and electric vehicles, and shaping the future of mobility.
Main Products
- Our expertly crafted non-standard customized components epitomize the pinnacle of excellence. Serving essential sectors such as medical, automation, semiconductor, and automotive industries, we deliver unparalleled precision and superior quality that withstands the test of time.
Why choose us
Core Advantages
- A Fleet of Excellence: A Benchmark of Industrial Prowess Our operations are powered by an awe-inspiring fleet of over 300 of the industry's leading-edge machinery units. This vast, state-of-the-art collection ensures we remain at the pinnacle of innovation and adaptability. By consistently delivering groundbreaking solutions, we set the industry standard for excellence, perpetually driving toward unmatched precision and superior quality. These Top-Tier Branded Our trailblazing machinery units are the cornerstone of our precision-driven manufacturing process, forming the essential infrastructure that upholds our uncompromising production standards. By leveraging these cutting-edge tools, we continuously refine and elevate our manufacturing methodologies to consistently achieve extraordinary outcomes. By utilizing our high-caliber machines, we expertly execute complex and challenging machining requirements across a multitude of industries. We achieve an unparalleled level of precision and efficiency, ensuring unwavering adherence to the highest quality standards while providing bespoke customization. Our solutions not only meet but exceed the unique needs of our valued clients, greatly surpassing their highest expectations.
- With a prestigious 20-year legacy, we draw from a rich reservoir of manufacturing experience seamlessly combined with profound technical expertise and process mastery. This harmonious synergy guarantees not just exceptional quality but also pioneering innovation. We empower ourselves to consistently deliver extraordinary products that surpass expectations and set new benchmarks of excellence within the industry.
State-of-the-Art Production Equipment: Harnessing Cutting-Edge Technology for Unmatched Quality
High-Precision Inspection Equipment: Ensuring Flawless Accuracy and Consistency
Quality Ensurance
Exquisite and Exacting Incoming Material Inspection: In the dynamic realm of innovation and precision, Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd. not only meets the industry's soaring expectations but redefines them with unparalleled methodologies. We proudly pioneer superior quality benchmarks, establishing revolutionary standards that resonate through every phase of our production journey, ensuring excellence with every step.
Every raw material that enters our state-of-the-art warehouse undergoes exhaustive evaluation, setting unprecedented standards in quality assurance. Our comprehensive approach includes detailed chemical composition analysis and exacting physical property assessments, ensuring only the highest quality materials are utilized. Suppliers are mandated to present a Certificate of Origin alongside a verified Declaration of Conformity, guaranteeing the finest materials are reserved for our cutting-edge medical machining services. This meticulous validation process fortifies the integrity and purity of materials, harmonizing perfectly with our resolute commitment to unparalleled quality.
Uncompromising In-Process Quality Control: With relentless vigilance and an unwavering eye for detail, we pursue perfection with steadfast dedication and an unwavering commitment to excellence.
Throughout the intricate machining process, each component undergoes rigorous scrutiny to ensure dimensions and tolerances align precisely with our stringent specifications. This ongoing inspection protocol is crucial for proactively identifying and intercepting potential defects, thereby preventing any non-conforming parts from advancing. Through this diligent strategy, we significantly reduce the risk of producing substandard goods, consistently ensuring that exceptional quality is maintained at every stage of production.
Anticipatory and Comprehensive First Article Inspection (FAI): Our preventative framework stands as the cornerstone of immaculate excellence, embodying unrivaled precision and foresight.
The First Article Inspection (FAI) process is the bedrock of our quality strategy, adeptly identifying and resolving potential production challenges from the onset. This anticipatory approach ensures issues are addressed before they escalate into mass production impediments. Our thorough FAI process is indispensable in minimizing quality risks, ensuring our products consistently achieve the zenith of standards. This embodies our unwavering commitment to excellence throughout the production spectrum, ensuring that every product is a testament to our quality promise.
Meticulous and Detailed Comprehensive Final Inspection: The ultimate guardian of exceptional quality and precision, upholding our revered standards.
Before any product leaves our facility, it undergoes a meticulous and detailed comprehensive final inspection. This rigorous evaluation spans dimensions, visual appeal, performance, and customer-specific requirements. This scrupulous inspection underscores our steadfast dedication to quality, ensuring every delivered part meets our exacting standards, thereby providing our esteemed customers with products of the highest caliber and precision.
Packaging & Shipping
Company Profile
In the illustrious year of 2009, Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd. emerged as a luminary in the arena of high-precision component machining, with its roots reaching back to the year 2002. Our esteemed journey is characterized by an unwavering commitment to the intricate art and rigorous science of engineering, spanning over two decades of continuous innovation and masterful precision. We proudly stand as pioneers in precision engineering, advancing the frontiers of technical research and setting groundbreaking industry standards, consistently surpassing expectations in both innovation and quality. We have meticulously cultivated an exceptional level of technical prowess, establishing ourselves as market leaders with a sterling reputation for unrivaled excellence. Our unmatched proficiency in precision medical machining services consistently achieves the most exacting tolerances, delivering impeccable surface finishes that reinforce our standing as the top choice in the medical sector. Our precision and steadfast reliability continue to earn the unwavering trust and esteem of our clients, making us the preferred name for high-quality machining solutions.
With four strategically located production bases, nestled within the vibrant and thriving hubs of Shenzhen and Guiyang, and supported by a formidable team of over 400 highly skilled professionals, Donghui has intricately developed a comprehensive, vertically integrated industry chain. This chain flawlessly connects advanced research and development, superior production, and impeccable delivery. Our streamlined operations ensure we consistently meet and exceed the diverse needs of our clients with exceptional efficiency and unmatched quality. Our state-of-the-art facilities are fully equipped to tackle the most complex and challenging machining tasks, reinforcing our esteemed 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)