Company Introduction Yuncheng Chemical Industrial Co., Ltd. has been specializing in manufacturing nanometer colloidal calcium carbonate, precipitated calcium carbonate, basic magnesium carbonate, gymnastic chalk & powder under the fundamental management of superior product quality, consistent product quality, competitive supply price and systematic & swift delivery in Taiwan since 1950. The total quantities of products are more than 30,000 tons per year. Except Taiwan, they are exported to Mainland China, Northeast-Asia, Southeast-Asia, U.S.A., Europe, Australia and South Africa, etc. Calcium carbonate is primarily used as fillers for rubber, plastic, paper and paint industry to i..