salej@chem-products.cn;fiona-916@hotmail.com Tianjin ChenFeng Chemicals Imp.& Exp.Co., Ltd. is a leading manufacturer in chemical industrial field, engaged in producing and selling chemical raw materials, such as Carbon Black, Lithopone, Zinc Oxide, Cupric Oxide, Aluminium Oxide, Cupric Sulphate Anhychrous, Calgon, Pentaerythritol, Formic Acid, Sodium Hexametaphosphate etc. With advanced management and persist development, up to now, our market has covered three-quarter of countries in the world. e. g. Middle East, Asia, Southeast Asia, Africa, America etc.....