Kelong Micro-powder Co., Ltd. is a private high-tech enterprise of heavy calcium carbonate in China. Raw material mines with reserves exceeds 100 million tons. The company covers an area of 528 mu, and has more than 70 production lines, with an annual production capacity of more than 2 million tons. Our products are widely used in artificial stone, rubber, plastic, paper, paint, ink, building materials, daily chemical industry and other industries.