1.Bentonite of oil drilling,paint,chemical etc. 2.High qulity of bentonite 3.Manufacturer of bentonite powder--hot-sale 1.Introduction:Shijiazhuang Oushun Minerals Products Co.,Ltd. is specialized in manufacuring and exporing Bentonite,Bentonite ore,Bentonite Powder, API Bentonite,OCMA Bentonite etc.Our bentonite drilling with sodium, calcium bentonite strict implementation of the Chinese ...