1. Coil feeding 2. Coil processing 3. Steel plates diagonally shear to trapezoidal type 4. Bending materials transfer 5. Plates bending on press brake 6. Transfer poles with seam to submerged arc welding production line 7. Straighten steel poles 8. Welding flanges and door lights 9. Bending poles until forming 10. Transfer galvanized 11. Spraying (according to the request) 12. Install the lights 13. Delivery and installation the area of workshop: it need about 60000*18000mm two to three rooms, without stacking area and welding area. We can design the plant according to the users actual sizes, ensure the operating production line. It need the power with about 100 kilowatt.