Weifang Changs Chemical Industry Co.,Ltd is the leading manufacturer of sodium silicate with annual production 300000mt, and professional supplier of detergent chemicals, water treatment chemicals, and paper chemicals.Changs Chemical is committed to be the one-stop shopping center for sodium silicate, detergent chemicals, water treatment chemicals and paper chemicals in global market. We serve reputed clients in more than 30 countries, and receive high recognization and good reputation in market. Based on the principle of sincere cooperation, mutual benefits, Changschem welcome you to visit, cooperate and develop together for better future.