On April 23, Shanghai State-owned Assets Management Co., Ltd., a subsidiary of Shanghai International Group (SIG), successfully issued its first tranche corporate bonds in 2018, with an issue size of 1 billion yuan, a credit rating of AAA/AAA, a term of 5 years and a coupon rate of 4.9%.49 corporate bonds were issued in the same period, with an average interest rate of 5.55%. Among them, 33 bonds were rated the same as the company, and their average coupon rate was 5.02%. With a subscription amount of nearly 100 billion yuan, some 200 investor groups and a subscription ratio of 100, the bond is one of the most favored targets in the market among all the bonds issued in the same day.