Continuous caster includes units of R4m, R5.25m, R6m, R7m, R8m, R9m and R12m, and has specifications of 1 unit 1 pass, 2 units 2 passes, 3 units 3 passes, 4 units 4 passes, 5 units 5 passes and 6 units 6 passes. Continuous casters are capable of producing square shape billet (square billet), rectangle billet (slab billet) and round shape billet (round billet), and the steel brands consist of common carbon steel, high carbon steel, low alloy steel, high alloy steel, stainless steel and etc.