Features:1) Includes:a) Water heater casing: mainly used in water heaterb) Stamping basin frames and fan blade: used in car speakersc) Stamping combustion chamber: used in water heaterd) Exhaust pipe: used in care) Plastic basin frames: used for car speakersf) Rear cover: used in TV2) Material: various metal materials with various surface treatments according tocustomers' requirements