Anhui Ningguo Chengxin Wear-Resistant Material Co., Ltd. was established in April, 2002, with chrome alloy cast grinding balls & cylpebs as its main products. Now our company becomes a large wear-resistant material enterprise which production capability achieves 30, 000 metric tons of chrome alloy cast grinding balls & cylpebs by several years of hard work. And we are one of the drafters of national standard for casting grinding balls.