Qingdao Lianda Chemical Co., LTD is one of professional chemical manufacturers in North of China, and specialized in manufacturing, supplying and exporting the basis chemical raw materials. Our products include four types as follows: Pigments/Dyestuff: Titanium Dioxide, Iron Oxide, Lithopone, Sulfur Black Rubber Chemicals: Carbon Black, Zinc Oxide Acids: Formic Acid, Glacial Acetic Acid, Oxalic Acid, Sodium Formate Other Chemicals: Borax, STPP, SHMP, CMC, Caustic Soda, Basic Chromium Sulphate