... High Frequency Welded Pipe Machine:It produces round, square, rectangle pipe.its sizes from 8mm up to 114mm. HG20-114 High frequency welded pipe line:High frequency welded pipe ... 50Φ60Φ76Φ89Φ114Range of processing(mm)Φ8-Φ25Correspondent size square and rectangular pipeΦ12-Φ ... straightener,end milling equipment,hydrostatic testing machine,charge table,sack&bale machine,high frequency DC drag,product ...