Tianjin Yixinhonghui chemaical Co,ltd located in Changqing Trade Industry park,Chongqing Street 60,Jinnan District of Tianjin-China,and the traffic is very convenient,near the Tianjin Port. The company 20 years to build a Inorganic chemicals and organic chemical rawmaterial dyesseries,etc. The company's chemical products all passed the international quality system certification,Has won more than a thousand customers worldwide trust and support^,if you are ininterestied in our products,pls contact us,and we鈥檒l be happy to be your new friend.