Hebei Yinwang Energy saving Technology Co., Ltd. is registered in Liuyanma Village, Zangtun Town, Dacheng County, Langfang City, Hebei Province. The registration authority is the Market Supervision Administration of Dacheng County, Langfang City, and the legal representative is Hao Dongxu. The business scope includes general projects such as technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of high-performance fibers and composite materials; Sales of high-performance fibers and composite materials; Production of fireproof sealing materials; Sales of fireproof sealing materials; Manufacturing of insulation and soundproofing materials; Sales of insulation and soundproofing materials; Manufacturing of lightweight building materials; Sales of lightweight building materials; Manufacturing of asbestos products; Sales of asbestos products; Rubber product manufacturing; Sales of rubber product...