红四方：12月22日召开董事会会议

Group 1 - The core point of the article is that Hong Sifang (SH 603395) held its fourth fifth board meeting on December 22, 2025, to discuss the "Quality Improvement and Efficiency Enhancement Return Action Plan" [1] - For the first half of 2025, Hong Sifang's revenue composition is entirely from the chemical industry, accounting for 100.0% [1] - As of the report date, Hong Sifang has a market capitalization of 7.7 billion yuan [1] Group 2 - The new energy heavy truck industry experienced a significant surge in sales, with November sales increasing by 178% year-on-year [1] - The demand for new energy heavy trucks is so high that customers are directly visiting factories to expedite orders, indicating a rare market condition [1]