Aluminum tread plate,which is also called aluminum checker plate, was first known for it’s anti-slip property as tread plates. With development of technology and industrial requirements, the application of aluminum tread plate has been widened substantially. Its surface designs also developed from singular types to diverse shapes to cater for changing usage needs. At present about ten types of designs can be made in the industry. The most usually applied include five bars, diamonds, willow leaves, pearls and orange peals.