Zhengzhou Qingyan Building Materials Co., Ltd. is registered at No. 1502, 15th floor, Building 1, Yaxing Times Square, No. 262 Songshan South Road, Erqi District, Zhengzhou City, Henan Province. The registration authority is the Market Supervision and Administration Bureau of Erqi District, Zhengzhou City, and the legal representative is Song Huiyuan. The business scope includes the production and sales of building materials, waterproof materials, waterproof steel plates, rubber products, hardware and electrical equipment; Import and export of goods or technology (excluding goods and technology prohibited by the state or subject to administrative approval); Sales: cables and wires, power equipment, railway equipment. For licensed business projects, relevant department licenses must be obtained before operating