Manufacturer & Exporter of diatomite filling materials QHWX-020# Using as filling materials. QINGDAO QIANCHENG MINERALS CO., LTD.YOUFANGTAIZI VILLAGE NORTH ( ... Paper, Grinding, Glass Steel, Fodder, Feed, Ceramics, Detergent, Dental Materials, Dispersing Agent, Cosmetic, Toothpaste, Food, Polishes, Agricultural Chemicals, insecticide ... to health by prolonged exposure China diatomite filling materials