China Ball Mill Ball manufacturer, Grinding Steel Ball ...
2013-12-18 · Hebei Goldpro New Materials Technology Co., Ltd. is a one of biggest manufacturers in China, specializing in producing ball mill ball. It produces steel ball with diameter of 20 mm- 150 mm, including forged steel ball and hot rolling steel ball, used for ball mills with diameter of 1.5 m- 11 m, applied for power station, ore mines, chemical, etc.