... , Phthalic Anhydride, A variety of naphthol, naphthylamine, etc. It is the raw materials of producing synthetic resin, plasticizers, rubber antioxidant, surface ... , located in Handan City, Hebei Province, next to the highway and railway from Beijing to Hong Kong, close ... than equivalent products. Our products are exported to Europe, the United States and Southeast Asia. We welcome domestic and ...