ZHONG SHAN H. R. T. PRECISION STEEL BALL CO. , LTD. Is the unique manufacture in china, Who possesses the most advanced production line. The company facilities, From the Heat- Treament Furnece, High Speed Heading machine and machine for flashing, Grinding lapping to cleaning and packaging, Are all imported from German companies–SMS, Hilgland and Schwarz. Our company , Who granted ISO- 9002, TS- 16949 certificate, Has the ability to produce precision steel ball up to G5, Size ranging from 0. 5mm to 250mm and Processing material for bearing steel, Stainless steel, Carbon steel, Glass, Plastic, Copper. Our annual production capacity is up to 2, 000 tons. Our customers not only come from the domestic bearing companies, But also from the world- Famous ones. Simultaneously, We also sell many kinds of different material precision steel ball wrap - Leader Pin- Bushing, The independence Leader Bushing.