Cangzhou Zhongshun Steel Pipe Tade Co., Ltd. is a China-leading product service provider and exporter of steel pipe, The mainly products are welded steel pipe, spiral steel pipe, seamless steel pipe, square steel pipe ,galvanized steel pipe, elbow, flange and so on.The company can produce all kinds of steel pipes according to the standard of API, ASTM, EN, JIS, BS, Din, GB. The steel grades are GR.A,R.B, X42-X80, H40, J55, K55, S195T, S235JRH, S355JOH, ST33, ST42, STK400, STK500, Q215, Q235, 345 and so on.