... , mainly used in producing Superplasticizer, Dispersant, , Phthalic Anhydride, A variety of naphthol, naphthylamine, etc. It is the raw materials ... reasonable price.Hebei Shenzhou Hongyuan Chemical Co., Ltd. is a Sino-Japanese joint venture, located in Handan City, Hebei ... ,000 tons of naphthalene superplasticizer, 30,000 tons of industrial naphthalene, 3000 tons of anthracene and 2000 tons of ...