Jinan Zhongwei Casting and Forging Grinding Ball Co.,ltd

we, jinan zhongwei, are manufacturer and exporter of grinding balls in china,with the annual output of 50,000 to 70,000 metric tons. our company is located in zhangqiu ,jinan city,shandong province, which is provided with superior geographical position and convenient transportation. our company covers an area of 15,000 square meters,with two million registered capital .and there are 150 existing staff,including 21 technicians. l our main products: forging grinding steel balls,and (high,low,medium) chrome alloyed casting iron balls,casting cylpebs,grinding rods. l application of our products: various mines,cement plants,power stations and chemical industries. l priorities of our products: high hardness, good wear resistance, breakage rate lower than 1%. to ensure the excellent performance of grinding balls, we've set up flawless quality detection systems, advanced quality control and test equipments. we have also obtained iso 9001:2008 international quality system authentication. our mo