Zhitong Finance App News, Jianxin Superconductivity (688805.SH) issued an announcement. After the launch of the callback mechanism, the final number of shares issued offline was 20.1215 million shares, accounting for about 60.00% of the number issued after deducting the final strategic placement amount; the final number of shares issued online was 13.414,500 shares, accounting for about 40.00% of the number issued after deducting the final number of strategic placements. After the launch of the callback mechanism, the final winning rate for online distribution was 0.02416830%.