Kelong Micro-powder Co., Ltd. is a private high-tech enterprise of heavy calcium carbonate in China, and has raw material mines with reserves exceeding 100 million tons. The company covers an area of 330 mu, with more than 70 production lines. The annual production capacity is over 2 million tons. Our products are widely used in artificial stone, rubber, plastic, paper, paint, ink, building materials, daily chemical industry and other industries.