Langfang Dayuan Energy saving Technology Co., Ltd. is registered in Li Lingju Village, Guang'an 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 Wang Ludong. The business scope includes general projects such as technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Production of fireproof sealing materials; Sales of fireproof sealing materials; Production of refractory materials; Sales of refractory 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 sealing fillers; Sales of sealing fillers; Sealing component manufacturing; Sales of seals; Manufacturing of fiberglass and related products; Sales of f...