The car roof is installed in the the top of car , can effectively make the air flow in the car, increase the entry of fresh air, bring health, comfort for the owners and drivers.
In China, car roof is welcomed by many users including me, and for the car roof motor production, such as welding, the motor manufacturer may need to use good welding machine for the automobile roof motor spot welding, usually DC welding is stable and achieve better performance when welding.
While AC power supply fusing machine is cheaper.
Pearl
Emily