There are several bentonite api certification companies.

Seven. There are 7 bentonite api certification enterprises, namely national high-tech enterprises and bentonite research base. Bentonite api certification company is located 24 kilometers away from Weishi Highway in Fangzi District, Weifang City, and is rich in bentonite minerals. With complete supporting production equipment and complete laboratory testing instruments, bentonite sodium equipment and sodium technology have obtained national patents.