Rongding International Group is a leading supplier and exporter for chemicals and minerals registed based in Tianjin, the most important and largest seaport for chemical trade in mainland China. Our main featured products including the following type:Pigment:Iron red,yellow, blue,brown; Titinium dioxide Rutile and Anatase, Lithopone Oxide:Magnesium Oxide?CCM?, Zinc Oxide, Calcium Oxide(Quicklime), Alumina Alkali:Caustic soda, potassium hydroxide Acid: Phosphate Acid, Mono Chloro Acetic Acid,Glacial Acetic Acid Inorganic Salt:Calcium carbide, Sodium sulphate, sodium nitrate, sodium carbonate,potash nitrate, STPP,Sodium Metabisulfite,Sodium Sulfide,Zinc Chloride,copper sulfate,zirconium silicate