Tianjin Tehui Import & Export 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.