How long does it take to publicly issue convertible corporate bonds, and what are the issuance conditions?

Hello, a company that publicly issues convertible corporate bonds shall meet the following conditions:

(1) The weighted average return on equity in the last three fiscal years is not less than 6% on average. The net profit after deducting non-recurring gains and losses is compared with the net profit before deducting, and the lower is used as the basis for calculating the weighted average return on equity;

(2) The accumulated balance of corporate bonds after this issuance shall not exceed 40% of the net assets at the end of the latest period;

(3) The average annual distributable profit realized in the last three fiscal years shall not be less than the interest of corporate bonds 1 year;

(4) When a listed company issues convertible corporate bonds, it shall also meet the conditions for public offering of shares.