QINGDAO QIANCHENG MINERALS CO., LTD.ADDRESS: YOUFANGTAIZI VILLAGE (HETOUYUANINDUSTRY ZONE), JIAOZHOU, QINGDAO, CHINATEL: +86-532-82212928FAX: +86-532-82222620China professional and biggest manufacturer & exporter that engaged in processing and exporting diatomite series products with modern technology and equipment more than 5 years sales in the world market with annual output of 18000 tons of Natural Diatomaceous Earth; Diatomite Based Filter Aid; Diatomite Filling & Padding Aid, Carrier Material,and activated bleaching earth.(The Company Name QINGDAO QIANHE DIATOMITE CO., LTD. on web site to be changed to QINGDAO QIANCHENG MINERALS CO., LTD.)