1. Participate in GEM stock trading methods. 1. Bidding transactions; 2. After-hours pricing transactions (newly added); 3. Bulk transactions.

Second, GEM stock bidding transactions are subject to price increase and decrease limits, and the increase or decrease ratio is 20%. For GEM-registered stocks listed on the IPO, there is no limit on the price increase or decrease in the first five trading days after listing.

3. Single declaration quantity of GEM stocks

1. If you buy GEM stocks or funds through bidding transactions, the quantity to be declared should be 100 shares or an integral multiple thereof. When selling stocks or funds, if the balance is less than 100 shares, you must declare the sale in one go;

2. If you buy or sell GEM stocks through price limit declarations, the number of single declarations shall not exceed 300,000 shares;

3. If you buy or sell GEM stocks through market price orders, the number of single orders must not exceed 150,000 shares;

4. If you buy or sell GEM stocks through after-hours pricing transactions, The number of single declarations shall not exceed 1 million shares.

IV. How to declare the market price of GEM stocks

1. Declare the counterparty’s best price;

2. Declare the own party’s best price;

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3. The best five levels of real-time transaction remaining cancellation declaration;

4. Real-time transaction remaining cancellation declaration;

5. Full transaction or cancellation of declaration.

Market price orders are only applicable to transactions during the continuous bidding period of securities with price limits. During other trading hours, the trading host does not accept market price declarations.

Legal basis:

"Special Regulations on the Issuance and Underwriting of Initial Public Offerings of Securities on the GEM"

Article 3: The initial public offering of securities to offline investors If the issuance price is determined by price inquiry, the issuance price can be determined after preliminary price inquiry, or the issuance price can be determined through cumulative bidding inquiry after the issuance price range is determined by preliminary price inquiry. If the number of issuances is less than 20 million shares (shares) and there are no shareholders to publicly offer shares, the issuer and the lead underwriter may determine the issuance price through direct pricing. The price-to-earnings ratio corresponding to the issuance price determined through direct pricing shall not exceed the average price-to-earnings ratio of the secondary market of listed companies in the same industry; if it has been or is simultaneously issued overseas, the issuance price determined through direct pricing shall not exceed the issuer's overseas market price. If the issuer has not yet made a profit, it shall determine the issuance price by asking offline investors for prices.

Article 4 If the initial public offering of securities adopts the price inquiry method, it shall contact securities companies, fund management companies, trust companies, finance companies, insurance companies, qualified overseas2 institutional investors, private equity fund managers, etc. Professional institutional investors (hereinafter collectively referred to as offline investors) make inquiries. Offline investors should register with the Securities Association of China and accept the self-discipline management of the Securities Association of China. The issuer and the lead underwriter may negotiate and set specific conditions for offline investors to participate in price inquiries on the premise of complying with the relevant regulations of the China Securities Regulatory Commission and the self-disciplinary rules of the Shenzhen Stock Exchange (hereinafter referred to as the Exchange) and the Securities Association of China, and disclosed in the issuance announcement.

Article 8 If the price inquiry method is used and one of the following circumstances exists, the issuer and the lead underwriter shall issue a special announcement on investment risks before online subscription, explain in detail the rationality of pricing, and remind investors to pay attention to the investment Risks:

(1) The price-to-earnings ratio corresponding to the issuance price exceeds the average price-to-earnings ratio of the secondary market of comparable listed companies in the same industry;

(2) The issuance price exceeds the price-to-earnings ratio of offline investors after excluding the highest bid price The median and weighted average of quotations, excluding the highest quotation, whichever is the lower of the median and weighted average of quotations for public funds, social security funds, pension funds, corporate annuity funds and insurance funds;

( 3) The issue price exceeds the overseas market price;

(4) The issuer has not yet made a profit.

Article 9: If the initial public offering of securities adopts the price inquiry method, the total share capital after the public offering does not exceed 400 million shares (shares), and the initial offline issuance ratio is not less than the number of securities in this public offering. 70%; if the total share capital after public issuance exceeds 400 million shares (shares) or the issuer has not yet made a profit, the initial offline issuance ratio shall not be less than 80% of the number of securities issued in this public offering.