Spiral Welding Machine Pipe Mill Q235B Front Pendulum X Ray For Oil Pipeline Main Parameters Coil Materials OD ø190 - ø 1220 mm ID ø600 - ø760 mm Grade Q235B,Q355B Wall thickness 6-14 mm Width 500 - ...View More
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Spiral Welding Machine Pipe Mill Q235B Front Pendulum X Ray For Oil Pipeline