Declaration methods include limit price declaration, own best market price declaration, best five-level instant transaction remaining cancellation, counterparty's best market price declaration, and best five-level instant transaction remaining transfer to limit price.

There is a 30% price limit for stock bidding transactions in the selected tier. There is no price limit on the first day of transaction. Declarations within the price range are valid declarations, and those exceeding the price limit are invalid.

Selected layer limit price declarations shall comply with:

The purchase declaration price shall not be higher than 105% of the buying benchmark price; the selling declaration price shall not be lower than the selling benchmark price 95%; the buying base price is the current seller’s best price. When the seller has no quotation, the buying base price is the current buyer’s best price.

About the temporary suspension of trading of selected stocks:

The intraday trading price rises or falls by 30% or 60% for the first time compared with the opening price of the day; investors can declare during the temporary suspension and cancellation of declaration; temporary trading suspension only applies to selected stocks with no price increase or decrease; call auction will be conducted when temporary trading suspension is resumed.

The following statement about market price declarations:

Market price declarations are only applicable to transactions during the continuous bidding period of continuous bidding stocks with price increase and decrease limits; market price declarations adopt price protection measures. The transaction price of the entry (sell) order and the application price of the transfer limit order shall not be higher (not lower) than the buy (sell) protection limit price; the time for accepting market price orders is from 9:30 to 9:30 on each trading day. 11:30, 13:00 to 14:57.

About the price range of block transactions:

The transaction price of block transactions should not be higher than 130% of the previous closing price or the highest price that has been executed on the day, whichever is higher; there is no previous closing price The transaction price of a block trade of stocks with a certain price should be between the highest transaction price and the lowest transaction price of the day; stocks with no previous closing price and no transaction price of the day cannot be traded in bulk.

Requirements for trading authority of natural person qualified investors: more than 2 years of investment experience in securities, funds, and futures; more than 2 years of experience in financial product design, investment, risk management and related work; possessing the "Securities and Futures Investment" Article 8 of the Measures for the Suitability Management of Investors: Senior management experience of professional investors. Different conditions are required for opening relevant permissions. Among them, the selected tier needs to have opened an account for more than two years. At the same time, the average daily assets of the account in the past ten trading days are greater than 1 million, and the peak assets of the account in the past year before the past ten trading days are greater than 600,000.

The number of single declarations for investors to buy and sell stocks should not be less than 100 shares. When selling stocks, if the balance is less than 100 shares, a one-time sales declaration must be made. The minimum unit change for buying and selling stocks is 1 share. The maximum number of single orders shall not exceed 1 million shares, except for block trades. The minimum unit change of the declared price for stock transactions is RMB 0.01. Block transactions can only be carried out if the number of individual stock transactions declared is no less than 100,000 shares or the amount is no less than RMB 1 million.

New OTC Market: Full payment of subscription funds is required when subscribing; when the effective subscription quantity is greater than the online issuance quantity, the number of shares allocated to each investor will be calculated proportionally. If the shares are less than 100 shares, priority will be given to each investor. Allotment of 100 shares.

Special reminder: The stocks listed on the New OTC Market Select Level do not necessarily mean they can be transferred to the main board for issuance. Subscribing for new shares at the selected tier of the New Third Board carries the risk of falling below the issue price. Stocks listed on the selected tier of the New Third Board are at risk of being terminated from listing. There are liquidity risks in trading stocks listed on the selected tier of the New Third Board. The intraday rise and fall of stocks listed on the selected tier of the New Third Board is greater than that of the main board, GEM and Science and Technology Innovation Board.