Manufacturer & Exporter of diatomite filling materials QHWX-020# Using as filling materials. QINGDAO QIANCHENG MINERALS CO., LTD.YOUFANGTAIZI ... , Grinding, Glass Steel, Fodder, Feed, Ceramics, Detergent, Dental Materials, Dispersing Agent, Cosmetic, Toothpaste, Food, Polishes, Agricultural Chemicals, ... the mentioned product is food grade with non-toxic, harmless, non-smell, it is safety in process and ...