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Dongguan Ontop Precision Hardware Co., Ltd. delivers high-precision CNC machining services from rapid prototyping to high-volume production. Trusted by aerospace, robotics, medical, and automotive industries worldwide.
Years of Experience
Precision Tolerance
Client Base
Dongguan Ontop Precision Hardware Co., Ltd. is a leading precision machining manufacturer located in the industrial hub of Dongguan, China. We specialize in delivering high-quality custom CNC machining services, from rapid prototyping to high-volume production.
Our commitment to excellence, advanced manufacturing capabilities, and stringent quality control make us the preferred CNC machine shop for clients across various global industries.
We provide CNC machining services of any complexity from prototype to production, with wide material selection and finishing options.
Ideal for simple geometries and high-speed production runs with excellent surface finish.
Rotational capability allows for complex features and reduced setup time.
Enables complex part production in a single setup, reducing time and enhancing accuracy.
Precision cutting of conductive materials with tight tolerances and fine finishes.
High-precision components crafted for performance-critical applications across industries.
Complex geometries produced in a single setup for aerospace and robotics applications.
Precision aluminum heat sinks with optimized thermal performance and surface finish.
Lightweight, durable parts ideal for automotive and drone applications.
Custom motor housings, joints, and structural components for AI robots.
Cylindrical components with tight tolerances for medical and industrial use.
Protective housings for electronics and sensors with EMI shielding options.
Surgical instrument parts with ±0.01mm tolerance and cleanroom packaging.
Titanium and aluminum brackets for avionics and structural systems.
We operate 4 and 5-axis CNC machines, enabling complex geometries in a single setup for faster turnaround and higher precision.
Our flexible workshop prioritizes prototype projects, delivering functional parts in as little as one day.
Rigorous quality control ensures every part meets exact specifications, from first article to final production.
We machine aluminum, steel, stainless steel, copper, titanium, and engineering plastics with precision.
Our team provides proactive DFM feedback to optimize your design for cost, performance, and manufacturability.
Effortlessly transition from prototype to low-volume or high-volume production with consistent quality.
“Our engineering team is impressed with their technical capability. They actually understand complex requirements and provide smart solutions.”
— Kirstin Everton
“The samples arrived perfectly packaged. Every part was exactly as specified in the drawings.”
— Mike Lloyd
“Communication with Timmy was smooth from day one – no language barriers, quick responses. Makes overseas sourcing so much easier.”
— Andy Guscott
We machine a wide range of materials including aluminum, steel, stainless steel, copper, titanium, and engineering plastics such as PEEK and Delrin.
Prototypes can be delivered in as little as 1–3 days. Production lead times vary based on complexity and volume, typically 7–15 days.
We consistently achieve ±0.01mm tolerances, with tighter tolerances possible upon request for critical applications.
Yes, our engineers provide free Design for Manufacturability (DFM) feedback to help optimize your parts for cost, performance, and ease of production.
Absolutely. We specialize in seamless transition from prototype to low or high-volume production, ensuring consistency and quality at every stage.
Ready to start your next project? Contact us today for a fast quote and expert support.
+86 136 6290 6701
+86 153 6261 8230
No. 285 Xiangmang West Road,
Dongguan City, Guangdong Province, China
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