On the late afternoon of May 6th , 2800mm CRM ran 2 coils with the highest speed in 1200 m/min in automatic mode. Maximum rolling speed test is implemented in the mill all mechanical components and the control system is stable and reliable basis to test the mill under high-speed operation, the strip tension, thickness, shape and the roller speed matching control ability, the mill inspection of the Tianjin Zhongwang Aluminum Co., Ltd. has important significance.