[Process] ※ material quality cold-rolled steel sheet by cutting, stamping, bending, welding, assembly together. Conventional products finished thickness 0.5mm (optional 0.4-1.0mm) ※ welded part of the high standard welding welding, smooth surface ※ counter the use of green powder electrostatic spray, the human body and the surrounding environment does not produce hazardous, non-toxic, No side effects, no odor when using compression molding machine ※ frame, angular, comfortable ※ locks locks using imported from Thailand, the appearance is not only beautiful, more secure safety factor