The four-board market is a regional equity trading market, and the four-board market in Shandong Province mainly refers to Qilu Equity Exchange Center and Qingdao Blue Ocean Equity Exchange Center.
Qilu Equity Exchange Center is an important regional equity market in Shandong Province. Compared with the first, second and third board markets such as Shenzhen Stock Exchange and Shanghai Stock Exchange, Qilu Equity Exchange Center belongs to the fourth board market.