Cold Rolled Steel Coil（CRC） is mainly used in construction, automotive ,metallurgical and electrical industries In the construction industry, mainly used for making roofs and walls, prefabricated keel, pre-cast bulkhead, doors and windows. In automotive industry, mainly for body shell, chassis, doors, fuel tanks, etc. In metallurgical industry, mainly used as substrate of PPGI. In electrical in industry, mainly for shell of electrical appliance.