Hebei Zhongkuang Steelpipe Manufacturing Co., Ltd is located in yanshan Country Cangzhou City-a historical city. The prodaucts of our company are three categories: Seamless Steelpipes, ERW Steelpipes and SSAW Steelpipes. We can supplypipes with stangders of GB, ASTM, API, DIN, JIS and others, We think the quality is the soul of a eenterprice, so we always put the quality at the first