... end welder, accumulator, forming, welding, sizing unit, pneumatic tracking... This machine line has passed ISO9001:2000 Quality ... welder, accumulator, forming, welding, sizing unit, pneumatic tracking or computer-controlled length cutting saw and runout table ... minPower of Major motor15KW22KW30KW45KWHigh Frequency Power60KW60KW100KW100KW ZG20 unitZG30 unitDiameter of Welded Tubesφ8-25.4mmφ13-32mmWall ...