P.B. Group Limited, an investment holding company, engages in the bentonite mining, and production and sale of drilling mud and pelletizing clay in the People's Republic of China. It operates through the Bentonite Mining Operation, Financial Service Business, and Property Investment Business segments. The company holds a 100% interest in the Huanghu Bentonite mine, an open pit mine with a permitted mining area of 2.1311 squ