Cangzhou Zhongrun (ZR) Steel Tube Co., Ltd., one of the largest international stock holders and suppliers of pipes, tubing and special materials for energy, chemical and petrochemical industry as well as oil and gas industry in China. Due to our convenient location with offices and warehouses besides the railway and Baohai Sea we can ship products to our customers quickly and efficiently. Our company's reputation has created a 15-year history of excellent customer satisfaction.



ZR Cooperation, one of the subsidiaries of Cangzhou Haoyuan Pipes Co, Ltd located in Cangzhou...