Dear Sir : We are an ISO-Certified manufacturer in China, specialize in the raw chemicals and in this line for many years. The products in our factory are sold both at home and abroad. we can supply you the competitive price and high quality .Hope we can enter into good business relationship. Our products as follows: Special products aluminium hydroxide Potassium hydroxide Caustic Soda soda ash sodium sulfate STPP sulfur black Zinc oxide Barium sulfate Potassium carbonate Sodium Formate Sodium Nitrate Pigment & Dyestuff Chrome Oxide Green Carbon black Lithophone Titanium Dioxide Anatase / Rutile Red Iron Oxide /Yellow Iron Oxide Organic chemical product Formic acid Glacial Acetic Acid Oxalic acid Pentaerythritol CMC Irnorganic Chemical Product Aluminium sulphate Sodium hexametaphosphate C