1, payment period bidding. Bidding for the payer refers to obtaining the right of winning the bid in the order of the underwriting institution's payment to the Ministry of Finance when the coupon rate and the issue price of the national debt have been determined, until the predetermined issuance quota is reached.
2. Price bidding. Price bidding is mainly used for the issuance of discounted government bonds, and the bid is won according to the order of the bidder's quoted purchase price from high to low until the scheduled issuance quota is reached. If the bid winning rule is "Dutch style", the winning underwriting institution will subscribe for the amount of the winning national debt at the same price (the lowest price among all the winning bids); If the winning bid rule is "American", then the underwriting institutions subscribe for the winning bid amount with their respective bids.