The main body of square aluminium case made by high quality aluminium alloy extrusions. The features of aluminium case are design reasonablely, beautiful figure and soild structure. The case was molded by aluminium alloy and then become a case which can put equipment or containers. Generally, it includes shell, liner, panel and bracket. The case is to protect inside electronic component. Widely apply to automation, sensor, smart card, industrial control and so on. It is the perfect case for high grade instrument. Use electrostatic spraying for surface treatment. It has many colors like creamy-white, black, army green, etc....