Founded in May 1995, Ningbo Hardchn bearing Co., Ltd is a professional China High Speed Long Life Bearings Suppliers and bearing for sports equipment manufacturers. Hardchn has become to many well-known domestic and foreign manufactories designated supplier. Hardchn offer kinds of miniature deep groove ball bearing such as 60 series bearing, 62 series bearing, 63 series bearing, 68 series bearing, 69 series bearing non-standard series bearing.