The registered address of Hebei Yisen Building Materials Co., Ltd. is located 200 meters west of Warm Home, Huaishu Village, Huaishu Town, Jinzhou City, Shijiazhuang City, Hebei Province. The registration authority is the Market Supervision Administration of Jinzhou City, and the legal representative is Niu Jianhui. The business scope includes general projects and other unspecified manufacturing industries. Dragon bone processing and sales; Sales of building materials, metal products, wooden products, mechanical and electrical products, cement products, electrical appliances, waterproof materials, hardware and electrical materials, plastic products, pipes and accessories, decorative materials, coatings (excluding hazardous chemicals in the above scope); Aluminum plate cutting, processing, and sales; Processing and sales of gypsum products. (The above scope does not include pre-approval and government prohibitions or restrictions). (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law)