Iran Porcelain Soil Industries Company was established and registered in 1985 to process various types of kaolin, sodium, and potassium and silica feldspar. The company officially started production in 1997, and the company has become a leading manufacturer and exporter of various types of kaolin. These kaolin products are used as raw materials in the production of porcelain, sanitary wares, tiles, granite, insulators, electronics, refractories and many other products.

The company's production capacity of processed kaolin is over 140,000 tons per year, and the company's dry, non-processed kaolin capacity is an even larger 260,000 tons per year. Exporting products to the UAE, Syria, Bangladesh and Pakistan, the company is one of the country’s largest exporters of China clay.

Sadr Tamin Investment Company owns 84% of the shares of Iran Porcelain Soil Industries Company.