WELDING WHEEL FULL-AUTOMATIC RESISTANCE WELDED CAN PRODUCTION LINE POT CONVEYING UNIT POT SECOND-TIME SPRAY COATING PRODUCTION LINE FOOD FRYING STOVE WELDING WHEEL GRINDING MACHINE SQUARE POT CLOSING MACHINE SQUARE POT TURNUP MACHINE POT DRYING MACHINE SUPER-HIGH POT RESISTANCE WELDER HORIZONTAL CONVEYER COPPER WIRE WIRING MACHINE POT ACCELERATING STEERING MACHINE SEMIAUTOMATIC CAN SOLDERING MACHINE FULL-AUTOMATIC CIRCLE FORMING MACHINE THREE ROLLING AXIAL CIRCLE FORMING MACHINE HYDRAULIC SQUARE SWELLING MACHINE SQUARE CAN MOLDING SWELLING MACHINE POT ELEVATOR