WEIFANG TOPCHEM CHEMICALS CO., Ltd is a high-tech company, devoted to the Paper making and Water treatment chemicals. Focused on the advanced technology researching, refined raw materials and DCS control production lines, BlueSun support the high quality chemicals for all the customers in Asia, Europe, Middle East, North Africa and Latin America. We always insist the theory of "Green chemicals" and "Best cost performance", supply the most suitable technical solutions, help customers to improve the production efficiency, reduce the cost, avoid the pollution and protect the whole earth's environment.