国开行发行3年期债券，规模80亿元，发行利率1.5368%，预期1.5400%，投标倍数3.55倍，边际倍数1.95倍；国开行发行7年期债券，规模20亿元，发行利率1.6699%，预期1.6600%，投标倍数10.18倍，边际倍数1.10倍。

Group 1 - The China Development Bank issued a 3-year bond with a scale of 8 billion, an issuance rate of 1.5368%, and a bid-to-cover ratio of 3.55 times, with a marginal ratio of 1.95 times [1] - The China Development Bank also issued a 7-year bond with a scale of 2 billion, an issuance rate of 1.6699%, and a bid-to-cover ratio of 10.18 times, with a marginal ratio of 1.10 times [1]