Power coated steel structure are made of chinese standard steel plate (Q355B & Q235B) as the base material. After pressing, hole making, cutting and forming, epoxy resin powder is preheated at high temperature to be dipped and modified, and then processed by curing and other processes. The products including: H zection steel structure columns & beams, wind resistant column, brace, tie bar, casing pipe, Purlin and etc.