Coil is a type of plate in steel, which is actually a long, narrow sheet of steel supplied in rolls,
For rolls and tablets, the handicap is a cut package;
Cold coil is hot rolled coil after pickling, cold rolled. Can be said to be a cold rolled coil.
Cold rolled coil (annealed) : hot rolled coil is obtained by pickling, cold rolling, hood annealing, leveling and finishing.