135m speed increasing box is composed by case group ( lower box, middlebox, cover) and the base, gear, drive shaft, bevel gear shaft, and box lubrication system components.

Track switcher is behind the 3# flying shear, used to import rolled piece into the finishing mill and import scrap into chopping shear. Rolling mill Track switcher is composed by the body, support and air cylinder.

Side loop of rolling mill is before finishing mill group, function is achieving Tension-free rolling between pre-finishing mill and finishing train. Side loop one set.

Pinch Roll is the horizontal cantilever structure. It has a double roll device and one air cylinder which is used to control roll up and down synchronous clamp. Pinch roll DC motor is used to improve drive speed by two-stage cylindrical gear.

Automatic Rake-Type Cooling Bed & Walking Beam Cooling Bed. Rolling Cooling beds for cooling the material( rebar, round bar, tmt bar...) as well as cross transfer towards the discharge end.