The registered address of Ruishang Refractory Materials Business Department in Hejian City is located at No. 66, Liujiu Village, Shucheng Town, Hejian City, Cangzhou City. The registration authority is Hejian Market Supervision Administration, and the legal representative is Liu Hongliang. The business scope includes general projects: refractory material sales; Sales of insulation materials; Sales of seals; Sales of metal products; Sales of rubber products; Sales of plastic products; Sales of chemical products (excluding licensed chemical products); Sales of building waterproofing membrane products (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).