QINGDAO QIANHE DIATOMITE CO. LTD. is a professional and biggest manufacturer & exporter that engaged in processing and exporting diatomite series products with modern technology and equipment more than 3 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. It is our promise to be your best supplier in China to supply you the diatomite series products with highest quality,[...]