冠豪高新：聘任黄美华担任公司证券事务代表

Group 1 - The company Guanhao High-tech (SH 600433) announced the appointment of Huang Meihua as the securities affairs representative to assist the board secretary in fulfilling various responsibilities [1] - For the fiscal year 2024, Guanhao High-tech's revenue composition is as follows: special paper accounts for 75.7%, special materials for 18.51%, color printing products for 3.79%, and other businesses for 2.01% [1] - As of the report date, Guanhao High-tech has a market capitalization of 5.6 billion yuan [1] Group 2 - The competition between Nongfu Spring and Yibao has intensified, with Nongfu Spring's green bottle launch leading to a significant market share decline for Yibao, dropping nearly 5 percentage points [1]