The registered address of Tianjin Dingshengxuan Steel Trading Co., Ltd. is located at 13-1-1006, Intercity Meijing Jiayuan, Shuangjie Town, Beichen District, Tianjin. The registration authority is the Market Supervision Administration of Beichen District, Tianjin, and the legal representative is Mao Yulong. The business scope includes wholesale of metal materials, building materials, mechanical equipment, electronic products, and hardware and electrical equipment. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments)