r . Light calcium carbonate
r . This product has been sampled and tested multiple times by the Jiangxi Chemical Product Quality Supervision and Inspection Station, and all have reached or exceeded the industry standard. The product quality is stable, with high purity, ultra-light weight, and excellent quality. It has white characteristics and extremely low heavy metal content, which is far lower than the national standard. It is an environmentally friendly material and is favored by users.
Factory direct sales of ultra-white lightweight high-quality calcium carbonate