Tianjin Changsheng Mingxin Chemical Co., Ltd is a professional manufacturer and exporter of various chemical raw materials,and the quality have been passed the certification of ISO 9001:2008. Its headquater locats in Tianjin Jinnan Development Area, which is only about 50 kms far from Tianjin Xin’gang Port. And it also have branch factories in Hebei Province. The business scope of us covers all kinds of chemicals, including the best-selling oxalic acid, lithopone, titanium dioxide, caustic soda(sodium hydroxide), soda ash light and dense(sodium carbonate), carbon black, iron oxide, zinc oxide, STTP, sodium formate, chromic trioxide green, formic acid, glacial acetic acid, etc. Our current production capacity is over 1,000 MT per month. Owing to the high quality and competitive price, advanced technology and production equipments, rich experiences, and perfect chemical test systems, our company have enjoryed a good reputation at home and abroad. Our goods have been exported to all over the world, such as Americas, Midle-East, Africa, Asia and enjoyed good reputation. We would be pleased to offer clients with our products and service on a regular long term basis. Our Principle ” Quality first and customer obsession” we will spare no efforts to satisfy the requirements of both new and regular customers and supply them with first-class products and service. We sincerely hope to enter into good and long term business relationships with customers from all over the world.