ST Metro: remove other risk warnings from June 2

[ST Metro: withdrawal of other risk warnings] May 31, ST Metro announcement, the company's shares will be suspended for one day from the opening of the market on June 1, resume trading on June 2 and revoke other risk warnings, the abbreviation of securities will be changed from "ST Metro" to "Tieling Metro", and the daily rise and fall limit for stocks will be changed from 5% to 10%.