Group 1 - Baofengtang has submitted a listing application to the Hong Kong Stock Exchange, with China Merchants Securities International as the sole sponsor [1] - Baofengtang is a manufacturer of plasma treatment equipment, focusing on the research, development, manufacturing, and sales of plasma treatment equipment for PCB and semiconductor manufacturing [1] - The company's products cover equipment for PCB manufacturing, consumer electronics, and semiconductor packaging, with a business presence in mainland China, Southeast Asia, North America, and Europe [1] Group 2 - According to a Frost & Sullivan report, Baofengtang ranks among the top three in the Chinese PCB plasma stripping equipment market, with an estimated market share of approximately 3.9% in 2024 [1]