QINGDAO QIANCHENG MINERALS CO., LTD. is a professional industrial minerals group including five professional industrial minerals processing and producing plants and a specialized import & export company, our product include diatomite, bentonite, bentonite for drilling mud, barite for oil drilling , natural zeolite , activated bleaching earth with high quality, competitive price and prompt delivery. It is our desire to be your best supplier of mentioned products for mutual benefit with long-term cooperation.