Located in Doumen District, Zhuhai City, Zhuhai Hongjun Technology is a specialized manufacturer focused on the R&D, production, and sales of precision shims, precision retaining rings, circlips, and powder metallurgy components. Our product range covers outer diameters from 3mm to 350mm, fully meeting the supporting requirements for all types of conventional bearings. Our products are widely used in high-end equipment fields such as automotive transmissions, robot reducers, RV planetary gear reducers, automotive drive motors, home appliances, and high-voltage charging plugs for new energy vehicles. With a fully integrated in-house production chain – from raw material processing to finished products – we maintain hundreds of standard sizes in stock. We also support prototype sample trials, enabling quick response and same-day shipping. Built on a sound manufacturing system and strict quality control, we are committed to providing customers with stable, reliable, and efficient overall solutions for precision components, with short lead times and on-time delivery.