Tianjin Yixinhonghui Chemical Co., Ltd located in Changqing Trade and Industry Park,Chongqing Street 60,Jinnan District of Tianjin- China; Traffic is very convenient, Near the Tianjin Port. The company 20 years to build a Inorganic chemicals and organic chemical raw material dyes series, etc. The company's chemical products all passed the international quality system certification, Has won more than a thousand customers worldwide trust and support……