Group 1: Hengyun Chang (恒运昌) - Hengyun Chang is a leading supplier of core components for semiconductor equipment in China, focusing on the research, production, and sales of plasma RF power systems and related devices [2] - According to Frost & Sullivan, Hengyun Chang holds the largest market share among domestic plasma RF power system manufacturers in China for 2024 [2] - The company has 108 authorized invention patents and 133 invention patents pending, and is recognized as a national high-tech enterprise and a key "little giant" in specialized and innovative sectors [2] - Major clients include top semiconductor equipment manufacturers such as Tuojing Technology and North Huachuang, with 38 self-developed products generating millions in revenue [2][3] - The revenue concentration among the top five clients is high, accounting for 73.54% to 90.62% from 2022 to the first half of 2025, with Tuojing Technology being the largest client [3] Group 2: Kema Materials (科马材料) - Kema Materials, established in 2002, specializes in the research, production, and sales of dry clutch friction plates and wet paper-based friction plates [4] - The company is a leading player in the domestic dry friction plate industry and has participated in drafting multiple national and industry standards [4] - Major clients include well-known automotive manufacturers such as China National Heavy Duty Truck Group and Volvo, indicating a strong market presence [4] - Kema Materials faces challenges in increasing its market share due to competition from companies like Schaeffler and Valeo, and is actively seeking to expand its international market presence [5][6]
半导体核心部件龙头申购 另有一只新股上市