생산과정
- Production Process

- Inspection & Analysis next Cold Rolling next Cleaning next Annealing next Straightening next NDT & Inspecting next Cutting next Packing next Delivery
- Bending Process

- Receiving Tube next U bending next Heat treatment next Hydrotesting next Final Inspection
- Finning Process

- Receiving Tube next Acceptance Inspection next Finning next Inspection Projector next Final Inspection