Group 1 - Jiangfeng Electronics plans to acquire control of Kaide Quartz through a cash transaction, becoming the majority shareholder after the deal is completed [2][3] - The acquisition involves Jiangfeng Electronics purchasing 11.7271 million shares of Kaide Quartz, representing 15.6424% of its total share capital, for approximately 448 million yuan [2] - The transaction aims to enhance Jiangfeng Electronics' industrial layout and accelerate the implementation of its strategic goals, with Kaide Quartz specializing in the R&D, production, and sales of quartz glass products used in semiconductor and photovoltaic industries [2] Group 2 - Following the acquisition, the actual controller of Kaide Quartz will change from Zhang Zhongshu and Wang Yumin to Yao Lijun [3] - Kaide Quartz's stock will resume trading on February 6 [3]