HRT Precision Steel Ball Co., Ltd. is the leading miniature steel ball manufacturer in north China. Products are included chrome steel balls, stainless steel balls, ceramic balls, plastic balls and brass ball. Our steel balls are widely used in bearing, lithium battery, micro motor, precision tool, automobile part, precision instrument, medical equipment and cosmetic industry. 70% products export to worldwide buyers, 30% for domestic industrial customers. Because of high quality and good service, we constantly get customers approval and the high praise. You are welcome to visit our website or contact us for details.