Thickness 1.5mm-20mm ERW Carbon Steel Direct Square Tube Mill It is directly roll the steel strip and bend it to square & rectangular shape, then weld ...
ERW20 High Frequency Straight Welded Pipe Production Line Square Tube Mill The high-frequency pipe production line is specialized equipment to produce ...
ERW32 Carbon Steel HF Straight Seam Welded Pipe Making Machine Square Tube Mill Introduction The high-frequency pipe production line is specialized .....
300×300 Low Alloy Steel Construction Tubes Easy To Operate Square Pipe Mill Direct Square to Square Pipe Mill Introduction: Direct to Square forming ....
Low Alloy Steel Drain Pipe Direct Square To Square Pipe Mill ERW Steel Square Tube Mill Direct Square to Square Pipe Mill Introduction: It is directly ...