Jul 1, 2016 . Shandong Huamin Steel Ball Joint stock Co.,Ltd. was founded on May . grinding steel ball,forged steel ball,ball mill steel ball,ball mill,grinding steel rod,rod mill . 60% products are mainly exported to the famous mining companies in . Cement mixer turned into ball mill to process gold ore Duration: 2:20.
A stamp mill is a type of mill machine that crushes material by pounding rather than grinding, either for further processing or for extraction of metallic ores. .. They were common in gold, silver and copper mining regions of the US in the latter 19th . Ball mill a horizontal cylinder containing metal balls to crush the material.