Chenhong Industry Co.Ltd, in China . we are an large scale chemicals factory in China and established in 1993,located in golden triangle economic district of Beijing,Tianjin and Tangshan,is a large modern enterprise incorporated with scientific research,manufacture,internal and foreign trade.We have five subsidiary companies at present.Our product:Hydrazine Hydrate(Diamide Hydrate),Azobisisobutyronitrile(AIBN),Petroleum Resin(including Modified Terpene Resin),Sodium Sulfite Anhydrous,PVC and ...