Our company China Shandong Huamin Steel Ball Joint-Stock Co.,Ltd. is one of the biggest manufacturers and exporters of grinding steel ball in China. Founded in 1986, our annual production capacity of grinding steel balls is 100,000 tons per year. Our products are exported to America, Africa, Austrilia, Canada, and many other 20 countries and regions. We are establishing or has established cooperation or business relationship with many famous mines and cement plants in the world, such as RioTinto Plc, BHP,ERDENET, Newmont,Freeport and so on. We have got the quality system certificate ISO9001:2000 and environment quality system certificate ISO14000. We're named famous product in Shandong China. The products can meet the quality requirement of different countries and regions. You can get link to our website (http://www.huamincastingforging.com or http://www.huamin.cn) to learn more information.