红墙转债盘中上涨3.11%报125.1元/张，成交额5.53亿元，转股溢价率15.85%

Group 1 - The core viewpoint of the news is the performance and characteristics of Hongqiang Convertible Bonds, which have seen a price increase and a specific conversion rate [1] - Hongqiang Convertible Bonds have a credit rating of "A+" and a maturity period of 6 years, with a coupon rate that increases annually from 0.30% to 3.00% [1] - The conversion price for the bonds is set at 10.74 yuan, with the conversion period starting on April 24, 2024 [1] Group 2 - Guangdong Hongqiang New Materials Co., Ltd. is the first company in China to be listed with concrete additives as its sole main business, founded in 1995 and headquartered in Huizhou, Guangdong [2] - For the first quarter of 2025, Hongqiang achieved a revenue of 12.99 million yuan, a year-on-year increase of 4.1%, while net profit decreased by 80.56% to 2.54 million yuan [2] - As of March 2025, the concentration of shareholding in Hongqiang is relatively high, with the top ten shareholders holding 56.27% of shares [2]