On March 4, 2025, Xi'an Precision successfully completed the trial run of the 1380mm six-roll reversible cold rolling unit provided to Hunan Chengyu Technology Co., Ltd. This cold rolling unit is technologically advanced and can process metal materials with a thickness range of 2.5 to 4.5 mm and a width range of 800 to 1250 mm. The finished product thickness is controlled within 0.2 to 2.0 mm, which greatly meets the diverse material specifications requirements of Hunan Chengyu Technology in production.