Guangzhou Li Hou Trading Co.,Ltd,found in 1992,specializes in producing benzotriazole, tolyltriazole series products.We own complete production equipment and a group of excellent technicians in different fields. Our company introduced advanced technology and equipment. It treasures talents training and technological innovation. The annual production capacity of benzotriazole and tolyltriazole reaches 2500 tons and 2000 tons separately. The integration of design, production and sale for five ...