Group 1 - The core point of the article is that Nanjing Jingsheng Equipment Co., Ltd. is planning to acquire a controlling stake in Beijing Weizhun Intelligent Technology Co., Ltd. through a combination of share issuance and cash payment, while also raising supporting funds [1] - The acquisition is expected to enhance Jingsheng's capabilities in semiconductor crystal growth equipment by integrating high-end intelligent measurement and control systems from Weizhun, which are crucial components for crystal growth furnaces [6] - Jingsheng's revenue has shown rapid growth, with projected revenues of 222 million yuan, 406 million yuan, and 425 million yuan from 2022 to 2024, reflecting an 83% growth rate in 2023 [3] Group 2 - Despite revenue growth, Jingsheng's gross margin has been declining, with gross margins of 35.22%, 33.46%, and 26.07% over the same period [3] - The company has faced challenges with its IPO fundraising projects, particularly the semiconductor crystal growth equipment testing facility, which has experienced multiple delays and changes in location [8][10] - As of the end of last year, the cumulative investment progress for the testing facility project was only 4.29% [9]