The products are provided well with low vibration, low noise, high rolling accuracy, lower friction moment, excellent sealing, high running speed and long lifetime with low price. The products widely used in such transmission device as household appliances, electrical tools, industry motor, medical equipment, autobicycle, sports appliances . The series of HCYB products are sold to all the whole of China and exported to Europe, America and South-East Asia countries. In addition, our company can design and manufacture non-standard bearing, special structure bearing or hardware upon customer requirement, so the production is very feasible.