Coil Car→Uncoiler→Pinching and Leveling→Shearing and Butt-welding→Loop Storage→Edge Moving→Forming→Welding→IF Annealing→Water Cooling→Online NDT Treating→Sizing→Cutting→Straightening→End-facing and beveling→Hydrostatic Testing→Product Inspection→Weight and Measuring→Painting and Marking→Storage→Packing