01Plate 입고
                                02Plate Blasting
                                03Edge Milling
                                043-Roll Bending(12M)
                                04-13-Roll Bending(6M)
                                04-23-Roll Bending(4M)
                                05Post Bending
                                06Tack Welding
                                07Internal Wedling
                                08External Welding
                                09Full Body Expander
                                10End Facing
                                11Hydro-tester
                                12UT
                                13X-Ray
                                14Calibration
                                