The KA-C1 is a horizontal orbital welding equipment using gear shift drive. By adjusting the welding fixture and angle, other methods can also be welded in other ways, such as horizontal welding and vertical welding. The car walking body and the control panel are integrated into one, which can be welded on the track. The track is sucked on the workpiece with magnets, and it is convenient to install and disassemble. Small size, light weight, very convenient to move and use. The track can be extended infinitely.