Jiang Yonghui, audit partner of Zhitong, said in an interview: "Opinions on High-quality Construction of Beijing Stock Exchange" (namely "Beijing Stock Exchange's Deep Reform 19") is an unexpected and pragmatic policy package, which has listened carefully to the market voice, grasped the pain points and avoided the problems, drawn a clear road map for the high-quality development of Beijing Stock Exchange and conveyed a positive signal of steady reform of Beijing Stock Exchange.