中山市红润泰精密钢球有限公司-专业生产各类钢球、钢珠，钢砂，钢球保持架，各类轴承钢球，不锈钢钢球，标准直径钢球及非标尺寸钢球等钢珠产品，广东钢球生产的钢球可用于轴承等各行业.Zhongshan H.R.T Precision Steel Ball Co., Ltd. - Specializing in the manufacture of various types of steel ball, ball bearing, steel grit, ball cage, and all kinds of bearing ball, stainless steel ball, standard diameter ball and non-standard size ball and other steel ball products, all could be used in various industries such as bearings.