u-Long Fine Chemicals Co., Ltd is specialized in producing Tolytriazole (TTA), Sodium tolyltriazle (TTA-Na) , Kalium tolyltriazle(TTA-K)and Ortho toluenediamine etc. It owns complete production equipment and a group of technicians in different fields .Through several years hardworking, the product families include anticale agent, corrosion inhibitor, cleaning agent, pretreatment filming agent, etc., covering a wide ranges from single to complex agents.We have ourselves TaiLong IMP. & EXP. Co., Ltd, which is a large company conducting the importation and exportation of chemical products.