Shandong Dasheng 3#1380mm six-high reversible cold rolling unit was successfully tested on February 4, 2024, and entered the formal trial production stage after a short period of optimization and improvement. Under the fine organization and management of the owner and the close cooperation of all parties, the operator has mastered the operating procedures, the man and the machine are more harmonious, the unit continuously and stably carries out thin strip production, the thickness control precision is excellent, and the rolling speed can reach 1400 meters/min.