Langfang Yuheng Energy saving Technology Co., Ltd. is registered in Xiliugezhuang Village, Liugezhuang 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 Yu Baokun. The business scope includes general projects such as technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of insulation and soundproofing materials; Sales of insulation and soundproofing materials; Manufacturing of lightweight building materials; Sales of lightweight building materials; Sales of building materials; Manufacturing of fiberglass and related products; Sales of fiberglass and related products; Production of fireproof sealing materials; Sales of fireproof sealing materials; Production of refractory materials; Sales of refractory materials; Manufacturing of sealing fillers; Sales of sealing fillers; Sealing glue manufacturing; Sealing component manufacturing; Sales of seals; Rubber product manufacturing; Sales of rubber products; Manufacturing of ecological environment materials; Sales of ecological environment materials; Manufacturing of non-metallic mineral products; Sales of non-metallic minerals and products; Sales of insulation materials; Sales of anti-corrosion materials; Sales of chemical products (excluding licensed chemical products); Paint sales (excluding hazardous chemicals). (Except for projects that require approval according to law, business activities can be carried out independently based on the business license in accordance with the law) Licensed project: construction project construction; Construction labor subcontracting; Professional construction work. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. The specific business projects shall be subject to the approval documents or licenses issued by the relevant departments.)