Professional Factory for Hdpe Pipes 300mm - Seamless Line 1hdpe coating seamless carbon steel pipe
API 5L, ASTM A 53M, ASTM A 106M, ,JISG 3454, JISG 3455,JISG3456ASTM A106 Gr.B Seamless Carbon Steel pipe/A106 GR.B seamless steel tube 2 Producing Type Hot Rolled Steel pipe ,Cold Drawn Steel pipe ,Hot Expand Steel pipe ,Cold Rolled Steel pipe 3 Materail 1>ASTM A106GR B ,ASTM A106GRC , A53GRB ,ASTM A179,ASTM A192
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