开开实业：11月21日召开董事会会议

Group 1 - The core point of the article is that Kaikai Industrial (SH 600272) held a temporary board meeting on November 21, 2025, to discuss the election of the chairman of the board [1] - For the first half of 2025, the revenue composition of Kaikai Industrial was as follows: wholesale accounted for 74.48%, retail for 18.18%, medical services for 4.42%, leasing income for 1.77%, and others for 1.14% [1] - As of the report date, the market capitalization of Kaikai Industrial was 3.7 billion yuan [1]