This isCangzhou Guyuan Steel Pipe Co.,Ltd. We are sincerely hope to establish business relations with you. We are a large -scale manufacturing enterprise, specialized in manufacturing big sizes pipes and pipe fittings.We have been exported lot of countries, such as USA, Korea, Germany, Syria, Jordan,AND SO ON. Stainless steel pipes/tubes: TP304, 304L, 316, 316L, 321,347, 310S, 31803,304N etc; Carbon steel pipes /tubes: GR. A, GR.B, GR. 6, X42, X52, X65, A179, A192, A210,STB340, SCM415, ST35.8, ST45.8, ST37.4, ST52, P1,P11, P22,P5, P9, P91, T1,T11, T22, T5, T9, T91;