Lanzhou Northwest Aluminium Processing Branch Company is carrying out a large-scale expansion of the strip-foil rolling system, and the tension-straightening machine train is one of the follow-up technological reform projects, which has the effect on expanding the scale of flat rolled products (FRRPS) and improving strip quality. Significance. The aircraft train was designed by China Color Science and Technology Co., Ltd. It was installed in February and a load test was conducted in March. After improving some of the problems found in the test run, it is expected to be delivered in May.