[待更新] Hebei Smart Chemicals(Group)Co.,Ltd.has been making producing Fumaric acid,Sodium erythorbate,Guanidine carbonate,Azodicarbonamide,Sodium dichloro isocyanurate,Azamethiphos,Ammonium bifluoride,Tert amyl alcohol9.Xanthan gum6 chemical manufacturing plants in China B. A major manufacturer of over 60 chemicals and pharmace...