Group 1 - The core viewpoint of the articles highlights the trend of major mobile phone suppliers, including Xiaomi and AAC Technologies, entering the automotive industry, particularly in the field of in-car acoustic systems [2][3]. - AAC Technologies has signed a strategic cooperation and acquisition agreement with Hebei Chuguang Automotive Parts Co., aiming to jointly develop next-generation in-car acoustic system solutions [2]. - Chuguang Automotive is a leading player in the automotive microphone segment, holding a 55% market share in the domestic market and over 26% globally, with clients including major new energy vehicle manufacturers [2]. Group 2 - The acquisition of Chuguang Automotive marks AAC Technologies' second significant move into the automotive supply chain, following its acquisition of 80% of Belgian company Premium Sound Solutions (PSS) [3]. - The automotive acoustic system market is projected to exceed 90 billion yuan by 2025, driven by the evolution of smart cockpits and increasing demand for high-quality audio experiences in vehicles [4]. - The automotive industry is witnessing a transformation where supply chain companies are evolving from mere component suppliers to technology partners that help define product experiences [4].

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