川发龙蟒：聘任赵亮先生担任公司证券事务代表

Group 1 - The company Sichuan Development Longmang Co., Ltd. announced the resignation of its securities affairs representative, Song Xiaoxia, due to work adjustments [1] - Following the resignation, the company appointed Zhao Liang as the new securities affairs representative to assist the board secretary in fulfilling related responsibilities [1] - For the first half of 2025, the company's revenue composition is as follows: phosphochemical products account for 80.81%, other segments 9.04%, trading 8.44%, and new energy materials 1.71% [1] Group 2 - As of the report date, the market capitalization of Sichuan Development Longmang is 20.1 billion yuan [1]