中国财政部发行30年期债券，规模710亿元，发行利率1.8808%，预期1.8800%，投标倍数3.16倍，边际倍数1.68倍。

Core Viewpoint - The Ministry of Finance of China issued a 30-year bond with a scale of 71 billion yuan, indicating strong demand in the bond market [1] Group 1: Bond Issuance Details - The bond issuance scale was 71 billion yuan [1] - The issuance interest rate was set at 1.8808%, slightly above the expected rate of 1.8800% [1] - The bid-to-cover ratio was 3.16 times, reflecting robust investor interest [1] - The marginal bid-to-cover ratio was 1.68 times, indicating competitive bidding [1]