Jinan Zhongwei Casting and Forging Grinding Ball Co.,Ltd, established in 2000, specially manufacturer and exporter of grinding balls,steel ball for the last few years in China. With the annual capacity of 50,000 to 70,000 metric tons. Our main products are forging grinding steel balls, and (high, low, medium) chrome alloyed casting iron balls,casting cylpebs, grinding rods.