Grinding Steel Ball, Sag Mill Balls, Steel Ball For Mining ...
2021-6-7 · Goldpro New Material Co., Ltd. was established in June 2010, the registered capital is 200.3 million(RMB), with an area of 100,000 square meters, and has more than 260 employees, among them there are more than 60 technical R&D personnel. Goldpro is a high-tech enterprise of grinding balls, grinding cylpebs, grinding rods, liners and others ...