Qingdao Dingzheng Chemicals Co.,Ltd, a chemical manufacturer in China, is supplying competitive chemical productions. After years exploitation and development, now our company have formed a perfect full-service system integrated by manufacture and domestic trading and foreign sales. Our company supplies many kinds of chemical productions, like Sulphur Black, Poly Vinyl Alcohol, Xanthan gum, Sodium Hydroxide Solid, Sodium Hydroxide Flake, Aluminium sulphate, Calcium Chloride, Carbon Black, Zinc Oxide, Titanium Dioxide, Glacial Acetic Acid, and so on.
