DongGuan ZhongYun Precision Manufacture Co., Ltd, located at HengLi Town, DongGuan City, GuangDong Province, China, is a leading provider of custom CNC metal parts. Specializing in the production of components for photonic devices, optical communication modules, and laser housings, our company is dedicated to delivering precision and quality in every piece we manufacture.

Our custom CNC metal parts are crafted using advanced CNC milling machining processes. We offer a wide range of material options including aluminum, copper, stainless steel, die steel, and plastic, ensuring that we can meet the specific needs of your project. Each part undergoes meticulous surface treatment processes such as anode, blasting, powder coating, passivation, electroplating, electrophoresis, polishing, and electropolishing to achieve the desired finish and durability.

At DongGuan ZhongYun, we pride ourselves on our ability to maintain tight tolerances of ±0.01—0.05mm and offer surface roughness options of Ra 0.8 or Ra 0.4, with custom specifications available upon request. Our state-of-the-art equipment, including three-axis, four-axis, and five-axis CNC milling machines, allows us to produce parts in any color and size range, customized according to your drawings. Trust us to deliver precision-engineered components that meet the highest standards of quality and performance.