Engine cylinder head covers, throttle valves, air filter housings, vehicle air horns, vehicle air conditioning hoses, cooling fans and their housings, water inlet pipes, brake oil tanks and filler caps, car fenders, rearview mirrors Frames, bumpers, instrument panels, luggage racks, door handles, wiper brackets, seat belt buckles, various decorative parts in the car, electronically controlled doors and windows, connectors, fresh-keeping boxes, electronic and electrical insulating parts, precision electronic instrument parts, electrical lighting Electrical parts, electronic and electrical parts, electric vacuum cleaners, high-frequency electronic food heaters, junction boxes, switches and resistors, door handles for passenger cars, brake discs for trucks, fender seats, marine turbines, propeller shafts, propellers, Sliding bearings, etc.