No.1 Continuous Annealing Line (#1 CAL) No.2 Continuous Annealing Line (#2 CAL) No.3 Continuous Annealing Line (#3 CAL) No.1 Continuous Annealing Line includes cleaning, annealing, tempering and finishing processes. Cold rolled coils are charged into two pay off reels on the entry side. They are welded to become a continuous strip by the welder. It is annealed in a continuous furnace including heating, soaking and cooling sections. The proper heating cycle is given according to steel grade, which provides the strip with necessary mechanical properties. Finally, the strip is performed surface roughness, coated with oil, divided into specified weights, and packaged according to the customer requirement.