The cold mill manufactured by NCHM adopts top uncoiler, top recoiler and elevated overall structure. During rolling, the strip sides change but the surfaces do not change, which effectively ensure the internal structure and surface quality of the strip. The coil mill has reasonable arrangement with wide operation visual field, high automation, convenient daily operation and maintenance. The roll position automatic correcting system ensures the position accuracy of the rolls. For convenient threading,the strip head straightening device quickly straightens the strip head.The cold mill is equipped with automatic loading and unloading spool device and spool automatic return device, automatically loading and unloading coils. The cold mill has the functions of automatic speed deceleration and stop, which also has good arrangement for all kinds of flatness rolls and skilled technical interface with the X-ray thickness gauge, AGC and AFC system to ensure the harmony of the whol…