Shijiazhuang KeDa China import and export trade Co., LTD. is specialized in producing non-metallic mineral enterprises, twenty years, our factory has been committed to the development and application of non-metallic minerals, and won the majority of domestic and foreign customers, the product from the granule, fiber to the powder. I plant mainly produces vermiculite, mica, humic acid, corundum, perlite, limestone, iron oxide series???