Valuation of unlisted varieties issued by the exchange: ① When unlisted stocks, bonds and warrants are issued for the first time, the fair value is determined by valuation technology, and when the valuation technology is difficult to reliably measure the fair value, it is measured at cost; (2) Unlisted shares issued through allotment, share transfer, allotment and public offering of new shares shall be priced at the market price of the same stock listed on the exchange; (3) Non-public offering of shares with a clear lock-up period.