Tension leveler line process the 0.08-4.0mm aluminum coil, which has been processed by cold casting, by stretching and bending, cleaning and eliminating the internal stress in length direction and breath direction as well as removing oil trace and aluminum powder, which on the surface of the material. By these ways, it can realize the manufactory of rolling production, which is plain, oil free, clean, color even, regular and shape even. The production can be offered as raw material of PS sheet, hydrophilic board, printing and coating strip, ceiling, decoration and composite board, etc.