中国财政部发行10年期债券，规模1700亿元，发行利率1.6700%，边际利率1.6900%，预期1.6900%，投标倍数4.22倍，边际倍数4.92倍；中国财政部发行50年期债券，规模500亿元，发行利率2.1000%，预期2.0200%，投标倍数2.27倍，边际倍数2.40倍。

Group 1 - The Ministry of Finance of China issued 10-year bonds with a scale of 170 billion, an issuance rate of 1.6700%, and a marginal rate of 1.6900%, which was in line with the expected rate of 1.6900% [1] - The bidding multiple for the 10-year bonds was 4.22 times, while the marginal multiple was 4.92 times, indicating strong demand [1] - Additionally, the Ministry issued 50-year bonds with a scale of 50 billion, an issuance rate of 2.1000%, which was higher than the expected rate of 2.0200% [1] Group 2 - The bidding multiple for the 50-year bonds was 2.27 times, and the marginal multiple was 2.40 times, reflecting a moderate level of interest from investors [1]