... 273mm,WT from 0.15-8mm Tube mill,Pipe making machine,High frequency tube millFeatures:1) Working capacity ... : 4.76mm-273mm2) High productivity and easy to operateHigh-frequency steel tube mill, used to produce welded ... only factory in China who both produce tube mill machine and welded steel tubes, you can ... see the complete working tube mill line in our factory, and by this virtuous ...