According to the company's announcement, the original shareholders' priority subscription was conducted through the trading system of Shanghai Stock Exchange. The placement was abbreviated as "collective debt allocation" and the placement code was "7 15 166". The number of convertible bonds that the original shareholders can preferentially place is the number of issuer shares registered after the benchmark date (March 4, 2022, T- 1). The allotment amount of convertible bonds is calculated at the rate of 0.646 yuan per share, and then converted into lots at 1 1,000 yuan/lot, and each lot is a subscription unit, namely.