... air, metals, switch the trade. Features and ApplicationsConvex welding machine is widely applied in automobile and aviation, mechanical building, ... is adjustable from 20%~100%Three pulse preheat, welding, temper) welding function: current increase, decrease and main pulse multi-cycle ... , we can design according to your needs all kinds of welding machineModelDNK-160cMax Net Wide(mm)1500Max. Horizontal ...