Germany imported 2 sets of 60-meter gantry CNC five-axis machining centers, 2 sets of automatic welding systems for aluminum alloy car bodies, 1 automatic welding production line for 150-meter long profiles, 1 automatic production line for argon arc welding, and friction stir welding for 150-meter long profiles 1 production line, 1 small friction stir welding machine, and 15 Fronius TIG/MIG welding machines.