To earnestly implement the do hair [2018] no. 8 of the general office of the state council on strengthening the quality and safety of the elevator work opinion ", promote and implement the national standard GB/T35857 the oblique line of manufacturing and installation elevator safety standards, conducting oblique line elevator academic exchanges, promote quality of oblique line of the elevator safety level, May 9, 2018 at the 2018 international elevator exhibition, the national quality supervision and inspection center in suzhou Rhine elevator elevator co., LTD. In Shanghai national conference and exhibition center held the first diagonal line of the elevator peak BBS.