Profile: Zhong Shan H.R.T. Precision Steel Ball Co., Ltd. produces precision steel balls up to G5. These bearing balls are available in standard sizes from 0.5 mm to 250 mm. We are an ISO 9002 and TS 16949 certified company. Our products include bearing steel, crystal, stainless steel, plastic, miniature steel, glass and chrome steel balls. Our stainless steel balls are available from 0.5mm to 2" sizes. These are applied in dispenser valves, stainless steel bearings and chemical related application. Our products are widely used in aviation industry, precision instruments, automobile industry, measuring appliance, motorcycle, bicycle, bearing, medical instrument and food machinery. We also provide many kinds of galvanization services such as nickel, gold and platinum plating. We are capable of producing non-standard steel balls as per requirements and specifications. Our products are widely exported to various countries.