Military laser listed companies have which

Military laser listed companies have Guangyunda. According to the query of relevant public information, Guangyunda 300227: leading laser equipment stocks, Guangyunda in terms of ROE, from 2018 to 2021, respectively, 9.3%, 7.96%, 11.26%, 6.62%. Looking back at the last 30 trading days, Guangyunda's stock price rose 22.94%, and the total market capitalization rose by 660 million.