Tianjin Zhongbisheng Chemical Co., Ltd. is established in 2000, located in Tianjin, the main chemical area in the north of China. Our company is professional manufacturer and exporter in the field of chemical products; our main products are oxalic acid, iron oxide, caustic soda, glacial acetic acid, titanium dioxide, carbon black etc. Our company has strong technical force, producing experience, advanced equipment, as well as complete inspection measurement...