The main welding aluminum window (aluminum) can satisfy the market most window type. After long fumble experiment, combine the production of door window industry user's actual demand, the operation aspect realizes the simplification, humanization design, the touch screen interface is convenient and practical. Ordinary workers can master welding technology in a few minutes, without professional welding technicians, welding quality is stable. Welding power supply standard with shandong ao MIG350, domestic first-line brand. The control system is developed independently, and the main components adopt the famous brand products in the world.