Dongguan Zongjin Hardware Products Co., Ltd.

Zongjin Hardware, established in 2015 and located in Qingxi Town, Dongguan, China, is a professional manufacturer specializing in high-precision CNC machining services. We offer a wide range of machining capabilities including CNC milling, CNC turning, CNC grinding, and wire EDM. With 216 advanced processing machines and a team of engineers and technicians with over 15 years of machining experience, we are committed to providing high-quality custom metal and plastic parts that meet the most demanding requirements. Our facility is certified under ISO 9001: 2015/2016, ensuring rigorous quality control throughout the production process.

To fulfill the growing demands for complex, high-precision, and high-performance components, we are equipped with CNC machine from world-renowned brands such as Mazak, GF, Haas, Makino, and GROB, and backed by precision inspection equipment including Zeiss and Hexagon CMMs.

We are proficient in machining a broad range of materials such as steel, stainless steel, copper, brass, aluminum alloys, titanium alloys, and plastics. Our machine is capable of processing parts up to 2 meters in size, achieving surface finishes as smooth as Ra 0.1, and precision tolerances of ± 0.005 mm, with certain components reaching ± 0.002 mm.

Our components are widely used in industries including electronics, electrical systems, medical devices, optical instruments, industrial automation, sensors, robotics, and aerospace. Today, over 80% of our products are exported to Europe and North America. With a low annual complaint rate of just 2% and a customer reorder rate of 95%, we pride ourselves on exceptional quality, reliable service, and long-term partnerships. All parts undergo 100% full inspection before shipment to ensure quality compliance.

At Zongjin, we are dedicated to delivering stable product quality, competitive pricing, and rapid lead times, offering our clients a reliable one-stop solution for all high-precision CNC machining needs.