方解石粉 meaning in English

calcite in powder

We have developed the grain size varies among 2um to 15um grade superfine powder and the yearly output of which comes up to 20 , 000 tons . our products mainly consist of calcite powder , french chalk , active coarse whiting and other jinshi brand series superfine powder , which are welcomed in the more than 10 provinces and districts markets . the company has owned a calcite mine , and the calcite storage capacity has reached to more than 2 million tons
99年公司投资1500万元引进细川德国alpine公司先进超细粉碎分级设备流水生产线，属国内领先水平，开发了粒径为2um - 15um级的超细粉体（年生产量2万吨），主要生产方解石粉、滑石粉、硅灰粉、活性重钙等金石牌系列超细粉体，畅销国内10多个省市，产品深受各地用户亲睐。