HK-100S Flexible Rails Track Pipe Tank Welding Tractor with Oscillate Torch Holder

HK-100SE Auto Welding tractor for pipe tank horizontal curving stitch seam weld

HK-11W Magnetic Track Guided Pipe Tube Welding Carriage

HK-11WS Pipe All-position Automatic Welding Carriage (wireless remote )

HK-11WE Pipe All-position Automatic Welding Carriage

HK-200WSF Straight Welding Swing-type Automatic Welding Carriage

HK-5T-W Structural T Shape Section Automatic Welding Tractor With Wavering Part

HK-16 Curve Tracking Model Pipe Automatic Welding Machine Cylinder Tube Weld Tractor