25Q1全球TWS耳机出货反弹，平板电脑市场延续增长态势

Investment Rating - The industry investment rating is "Outperform the Market," indicating an expected performance that exceeds the market by more than 5% over the next six months [45]. Core Insights - The global TWS (True Wireless Stereo) headphone shipments reached 78 million units in Q1 2025, representing an 18% year-on-year growth, driven by manufacturers' expansion strategies in both regions and price segments [3][5][6]. - The global tablet computer shipments in Q1 2025 increased by 8.5% year-on-year to 36.83 million units, supported by the consumer market and educational sector's device upgrade cycles [3][10][11]. - The revenue of the top ten global packaging and testing companies is projected to reach $41.56 billion in 2024, reflecting a 3% year-on-year growth [3][16][20]. - The average selling price of NAND Flash decreased by 15% quarter-on-quarter in Q1 2025, with the revenue of the top five NAND Flash brands totaling $12.02 billion, a nearly 24% decline from the previous quarter [3][22][23]. - The global DRAM industry revenue in Q1 2025 amounted to $27.01 billion, showing a 5.5% quarter-on-quarter decline [3][27][28]. Summary by Sections TWS Headphones - Q1 2025 global TWS headphone shipments reached 78 million units, up 18% year-on-year, with Apple leading the market at 23% share, followed by Xiaomi with a 63% increase in shipments [5][6]. Tablet Computers - Q1 2025 global tablet shipments grew 8.5% year-on-year to 36.83 million units, with Apple holding a 37.3% market share, followed by Samsung and Xiaomi [10][11]. Packaging and Testing Industry - The top ten global packaging and testing companies are expected to generate $41.56 billion in revenue in 2024, with ASE Holdings leading at $18.54 billion [16][18][20]. NAND Flash Market - In Q1 2025, the average selling price of NAND Flash fell by 15%, with the top five brands generating $12.02 billion in revenue, a decline of nearly 24% from the previous quarter [22][23][24]. DRAM Market - The global DRAM industry revenue in Q1 2025 was $27.01 billion, down 5.5% from the previous quarter, with SK Hynix and Samsung being the top players [27][28][29]. Investment Recommendations - The semiconductor industry is in a recovery phase, with a strong outlook for domestic substitution in China's semiconductor sector and growth potential in the AI industry. Recommended companies include Hengxuan Technology, Dinglong Co., Zhaoyi Innovation, and others [3][40][44].