"2007年我们创业时，国内连代工MEMS晶圆的工厂都找不到。现在，我们每个月能够生产1亿颗传感 器，累计出货超过50亿颗，相当于每个中国人平均拥有3颗左右" 在敏芯股份位于苏州纳米城的无尘车 间里，一颗仅半个芝麻粒大小的MEMS声学传感器静静躺在载玻片上。正是这样一颗小小的器件，在敏 芯股份2024年营收中占据47.61%的份额，让敏芯股份在2020年成为中国MEMS芯片第一股。 "2007年我 们创业时，国内连代工MEMS晶圆的工厂都找不到。现在，我们每个月能够生产1亿颗传感器，累计出 货超过50亿颗，相当于每个中国人平均拥有3颗左右。"从技术背包客到MEMS传感器龙头企业，敏芯股 份董事长李刚道出了中国MEMS产业从无到有的发展历程。 做最牛的产品： 从"人有我廉"到"人有我 优" MEMS传感器，可以被称为智能产品的"五官"，在手机、汽车、机器人等终端中不可或缺。二十年 前，这项起源于国外的技术在楼氏电子、英飞凌等国际巨头的推动下迎来商业化，但国内的MEMS产业 彼时仍是一张白纸。 敏芯股份的突围，始于创始人李刚对MEMS传感器的学术志趣。微电子专业出身 的李刚在攻读研究生时确定，MEMS是可以花一辈 ...

如今，敏芯股份的产品矩阵已覆盖声学传感器、压力传感器、惯性传感器、姿态传感器等领域，广泛应 用于消费电子、智能汽车、工业控制、医疗等市场。其中，敏芯股份MEMS麦克风出货量全球排名第 四，MEMS声学传感器芯片出货量全球排名第三。 "2007年我们创业时，国内连代工MEMS晶圆的工厂都找不到。现在，我们每个月能够生产1亿颗传感 器，累计出货超过50亿颗，相当于每个中国人平均拥有3颗左右" 在敏芯股份位于苏州纳米城的无尘车间里，一颗仅半个芝麻粒大小的MEMS声学传感器静静躺在载玻片 上。正是这样一颗小小的器件，在敏芯股份2024年营收中占据47.61%的份额，让敏芯股份在2020年成 为中国MEMS芯片第一股。 "2007年我们创业时，国内连代工MEMS晶圆的工厂都找不到。现在，我们每个月能够生产1亿颗传感 器，累计出货超过50亿颗，相当于每个中国人平均拥有3颗左右。"从技术背包客到MEMS传感器龙头企 业，敏芯股份董事长李刚道出了中国MEMS产业从无到有的发展历程。 做最牛的产品： 从"人有我廉"到"人有我优" MEMS传感器，可以被称为智能产品的"五官"，在手机、汽车、机器人等终端中不可或缺。二十年前， 这 ...

（记者 张明双） 每经AI快讯，有投资者在投资者互动平台提问：请问公司在人形机器人语音交互中有什么布局，主要 合作对象有哪些？除了电声学以外公司还有其它方面的重要投资吗？ 共达电声（002655.SZ）12月24日在投资者互动平台表示，公司专注于声学领域的发展，MEMS麦克 风、扬声器、喇叭等都可以应用于相关终端产品中。公司目前还布局了车载无线充、车载USB充、汽车 喇叭、毫米波雷达模组等产品。 ...

Core Insights - The MEMS industry in Greater China is projected to reach $1.7 billion in revenue in 2024, with a year-on-year growth of 8.4% and an estimated shipment of 5.4 billion units [1] - The market is expected to grow at a compound annual growth rate (CAGR) of 3.6% from 2024 to 2030, reaching $2 billion in revenue and 6.6 billion units sold by 2030 [1] - Chinese manufacturers are positioned to capitalize on this growth, particularly in the "AI + IoT + automotive electronics" wave [1] Market Dynamics - Consumer electronics remain the largest application segment for MEMS, with strong demand for inertial sensors, microphones, and pressure sensors in wearable devices like TWS headphones and smartwatches [3] - Major Chinese companies such as Silan Microelectronics, AAC Technologies, Goermicro, MiraMEMS, and MEMSensing are key players in the supply chain, leveraging performance, reliability, and cost advantages [3] - Goermicro is projected to achieve over 4.5 billion yuan in revenue in 2024, making it the largest smart sensor interaction solution provider in China [3] Revenue Growth - Silan Microelectronics reported a 10% increase in revenue for its MEMS sensor products in the first half of 2025, with a market share of 20%-30% in domestic smartphone brands [3] - AAC Technologies' sensor and semiconductor business revenue reached 608 million yuan in the first half of 2025, a 56.2% increase, driven by high signal-to-noise ratio microphones [4] - MEMSensing achieved a record revenue of 300 million yuan in the first half of 2025, a 47.82% increase, with significant upgrades in acoustic sensor technology [5] Industry Expansion - Chinese MEMS manufacturers are expanding into high-value sectors like automotive and industrial applications, with Silan Microelectronics developing high-precision inertial sensors for automotive use [6] - The automotive sector is seeing increased demand for MEMS microphones due to the rise of smart cockpits and voice control systems [6] - The industrial sector is leveraging MEMS accelerometers and microphones for equipment health monitoring, aligning with the cost and manufacturing flexibility of Chinese firms [7] Emerging Applications - The medical market is expected to be one of the fastest-growing segments for MEMS, particularly with the opening of the OTC hearing aid market in the U.S. and China [7] - MEMS technology is also being integrated into AI infrastructure, with demand for MEMS optical switches and micro-mirrors in optical communication systems [8] Device Maturity - The variety of MEMS devices includes inertial, acoustic, environmental, optical, medical, and energy-related types, with applications expanding beyond consumer electronics [9] - Chinese manufacturers have achieved near-complete domestic production of MEMS microphones, reaching international performance standards [10] Manufacturing Advancements - The MEMS foundry sector in Greater China is projected to grow by 14.3% in 2024, becoming a new growth engine for the industry [13] - Companies like Chipone Integrated Circuits and Huazhong University of Science and Technology are emerging as key players in MEMS wafer foundry [16][17] - The transition from 8-inch to 12-inch wafer production lines is underway, with Guangzhou Zengxin launching the first 12-inch MEMS sensor production line in China [18] Future Outlook - Chinese MEMS companies are expected to gain unprecedented development opportunities, benefiting from their position as a core manufacturing hub for consumer electronics, automotive, and industrial sectors [12] - The focus on manufacturing capabilities is shifting from "filling gaps" to "building advantages," enhancing China's bargaining power and technological influence in the global MEMS market [21]

Core Viewpoint - The MEMS (Micro-Electro-Mechanical Systems) industry in the Greater China region is projected to reach a global revenue of $1.7 billion in 2024, with a year-on-year growth of 8.4%, driven by the convergence of AI, IoT, and automotive electronics [2]. Group 1: Market Dynamics - The MEMS market is expected to have a compound annual growth rate (CAGR) of 3.6% from 2024 to 2030, with sales reaching 6.6 billion units and revenue hitting $2 billion by 2030 [2]. - Consumer electronics remain the largest application segment, particularly in TWS earbuds, smartwatches, and AR glasses, where demand for inertial sensors, microphones, and pressure sensors is strong [4][5]. Group 2: Chinese Manufacturers' Role - Chinese companies such as Silan Microelectronics, AAC Technologies, Goermicro, MiraMEMS, and MEMSensing are becoming key drivers in the MEMS market, leveraging advantages in performance, reliability, and cost [5]. - The domestic MEMS microphone industry has achieved nearly complete localization, forming a complete ecosystem from wafer to packaging, with performance metrics approaching international standards [12]. Group 3: Technological Advancements - MEMS acoustic sensors are set to undergo significant upgrades in technical specifications, particularly in signal-to-noise ratio, creating new market opportunities [6]. - The automotive and industrial sectors are seeing increased demand for high-reliability MEMS products, with applications in safety-related systems and device health monitoring [7]. Group 4: Emerging Markets - The medical market is anticipated to be one of the fastest-growing segments for MEMS, especially with the opening of the OTC hearing aid market in the U.S. and China [8]. - The demand for MEMS in communication and AI infrastructure is also rising, driven by the surge in data traffic and AI training scales [8]. Group 5: Manufacturing and Supply Chain - The MEMS foundry sector in Greater China is expected to grow by 14.3% in 2024, with companies like Chipone, Silex, and Huazhong University of Science and Technology leading the charge [17]. - The transition from 8-inch to 12-inch wafer production lines is underway, which will significantly reduce costs and increase output [19][21]. Group 6: Future Outlook - Chinese MEMS companies are positioned to seize unprecedented growth opportunities, benefiting from their proximity to key markets and the ability to respond quickly to customer needs [14][15]. - The next decade will be crucial for achieving breakthroughs in high performance, intelligence, and system integration within the MEMS industry [24].

Core Viewpoint - 瑞声科技 is positioning itself as a leader in the perception technology space, focusing on integrating sound, light, and touch to create high-quality user experiences through its "AAC Inside" branding strategy [25][28][30]. Group 1: Technological Innovations - 瑞声科技 showcased a series of innovative technologies and solutions in the consumer electronics and smart automotive sectors during the 2025 瑞声科技技术峰会 [4]. - The company is enhancing its capabilities in capturing and transmitting sound through MEMS microphones and speakers, which are its strongholds [6]. - 瑞声科技 has established a comprehensive high-end acoustic system solution by acquiring companies like PSS and 初光, significantly boosting its technical strength in both speaker and microphone domains [13][16]. Group 2: Strategic Partnerships - 瑞声科技 has collaborated with renowned audio brands such as Naim to create advanced audio systems, exemplified by the "Naim殿堂之声音响系统" featuring 40 independent channels and 32 speakers [11]. - The company is also in discussions with OpenAI regarding component supply, indicating its strategic positioning in the AI hardware landscape [7]. Group 3: Market Position and Growth - 瑞声科技's revenue for the first half of 2023 reached RMB 13.32 billion, reflecting an 18.4% year-on-year growth, driven by the rising demand for AI-enabled devices [29]. - The MEMS microphone business is expected to see over 50% revenue growth in 2025 compared to 2024, highlighting the company's strong market position [29]. Group 4: Future Vision - 瑞声科技 aims to redefine user experiences by transitioning from a component supplier to a provider of immersive experiences, with "AAC Inside" becoming synonymous with high-quality perception experiences [30]. - The company is committed to continuous investment in AI hardware and XR technologies, establishing a complete perception ecosystem [24][30].

Group 1 - OpenAI is developing its own AI device in collaboration with a major iPhone assembler in mainland China, with discussions ongoing for component supply with local industry chain companies [1] - The device, likely named AI Pin, is expected to be a wearable badge with capabilities for sound, text, photos, and videos, along with AI processing power [1] - OpenAI's device team consists of members from Apple, making collaboration with Apple's supply chain companies a logical choice [1] Group 2 - AAC Technologies reported a revenue of RMB 13.32 billion for the first half of the year, marking an 18.4% year-on-year increase, setting a new record [1] - The company has significantly benefited from the growth of the AI industry, with multiple business segments experiencing rapid growth [1] - The MEMS microphone business is expected to see revenue growth exceeding 50% in 2025 compared to 2024 due to increased demand for voice interaction features in AI smartphones [1] Group 3 - The demand for higher cooling performance in AI smartphones is expected to drive rapid growth in AAC Technologies' thermal management business, with overseas high-end customer orders already secured [2] - The overall revenue scale of the thermal product line is projected to triple in 2025 compared to 2024 [2] - The recently released iPhone 17 Pro/Pro Max series features a VC heat spreader for enhanced cooling performance, with AAC Technologies as a core supplier [2]

Group 1 - OpenAI is developing its own AI device in collaboration with a major iPhone assembler in mainland China, with discussions ongoing for component supply with local industry chain companies [1] - The device, likely named AI Pin, is expected to be a wearable badge featuring voice, text, photo, and video capabilities, along with AI processing power [1] - The core team of OpenAI's device division consists of members from Apple, making collaboration with Apple's supply chain companies a logical choice [1] Group 2 - AAC Technologies reported a revenue of RMB 13.32 billion for the first half of the year, marking an 18.4% year-on-year increase, setting a new record [2] - The company has significantly benefited from the growth of the AI industry, with multiple business segments experiencing rapid growth [2] - The demand for voice interaction in AI smartphones has positively impacted the MEMS microphone business, with revenue expected to increase by over 50% in 2025 compared to 2024 [2] Group 3 - The higher computational power and increased power consumption of AI smartphones are driving the demand for enhanced thermal performance, which will significantly boost AAC Technologies' thermal business [2] - The latest iPhone 17 Pro/Pro Max series has adopted VC heat spreaders for the first time, greatly improving thermal performance, with AAC Technologies as a core supplier [2] - Future adjustments in Apple's product strategy may lead to the standard iPhone models also incorporating VC heat spreaders, further accelerating the growth of AAC Technologies' thermal business [2]

Core Viewpoint - The narrative surrounding AAC Technologies (瑞声科技) is shifting from being labeled as a "cyclical acoustic stock" to a new logic driven by technological premium and diversified growth, as evidenced by a net profit increase of over 60% year-on-year in the first half of the year [1][2]. Financial Performance - The company reported a revenue of 13.32 billion yuan in the first half, representing an 18.4% year-on-year growth, and a net profit of 876 million yuan, which surged by 63.1% [2][3]. - The revenue growth was primarily driven by product structure upgrades and a slower expense growth rate compared to revenue growth [2]. - The company has a solid financial cushion with 7.75 billion yuan in cash, a net debt ratio of 4.7%, and an operating cash inflow of 2.89 billion yuan [2]. Business Engines Transformation - The business model is evolving from a "single engine" to a "three-engine" approach, indicating a significant transformation in operations [4]. First Engine - Optical - The optical business is experiencing continuous profit improvement, with revenue reaching 2.65 billion yuan in the first half and a gross margin increase of 5.5 percentage points to 10.2% [3][5]. - The company is expected to ship over 10 million WLG (glass-plastic hybrid lens) units this year, with a projected 50% increase in shipments next year [5]. Second Engine - AI Hardware - The AI hardware segment is driving exponential demand growth, with the VC thermal plate entering flagship models of global top clients [6][7]. - The market for MEMS microphones is expected to grow significantly due to AI voice interaction needs, with revenue from this segment reaching 608 million yuan, a year-on-year increase of 56.2% [3][6]. Third Engine - Automotive Acoustics - The automotive acoustic segment is transitioning to a system-level solution provider, with high-end electric vehicles using up to 20 microphones per vehicle [8]. - The company has secured orders from various new energy vehicle brands, indicating a strong market presence [8]. Market Expectations - There is a discrepancy in market expectations, as the company is still valued based on traditional acoustic metrics, while it has transitioned to a diversified perception ecosystem platform [9]. - Short-term catalysts for valuation re-evaluation include further improvements in optical profitability, rapid growth in high-value segments, and sustained growth in automotive speaker business [10][11]. Long-term Outlook - The company is well-positioned for long-term growth, with expectations of significant increases in single-unit value across various segments, including robotics and automotive [11]. - As the market begins to recognize AAC Technologies as a technology platform focused on perception ecosystems rather than merely a mobile component supplier, the potential for a "Davis Double" effect may emerge [11].

Core Insights - 瑞声科技 reported a record revenue of RMB 13.32 billion for the first half of 2025, representing an 18.4% year-on-year increase, with net profit rising 63.1% to RMB 876 million [1] - The company expects to maintain a high growth rate in revenue for the second half of the year, not lower than the first half's growth rate, with a full-year gross margin expected to be no less than 22.1% from the previous year [1] - The AI upgrade trend is anticipated to drive significant growth in multiple business segments, including cooling and MEMS microphones, with revenue from the cooling segment expected to exceed RMB 1.2 billion, tripling compared to 2024 [6] Financial Performance - The acoustic business generated revenue of RMB 3.52 billion in the first half of 2025, with a gross margin of 27.2%, a decrease of 2.7 percentage points year-on-year [3] - The company aims to maintain the full-year acoustic gross margin at no less than 30.2%, supported by improved operational efficiency and large-scale production in the second half [3] - The optical business revenue reached RMB 2.65 billion, growing 19.7% year-on-year, with expectations for the gross margin to exceed 30% for the full year [4] Product Development - 瑞声科技 launched innovative acoustic products, including the SLS master-level and coaxial speakers, with over 17 million units shipped in the first half, a nearly 40% increase year-on-year [3] - The company’s unique WLG technology is expected to see over 10 million units shipped this year, with a projected growth of over 50% next year [4] - The introduction of high-performance, high-density products is anticipated to enhance market opportunities, particularly in the context of foldable devices [6] Market Expansion - The automotive segment has become a significant growth area, contributing over 13% to total revenue, with a revenue of RMB 1.74 billion in the first half of 2025, a 14.2% increase year-on-year [7][8] - The company has established itself as a TIER1 supplier in the automotive sector, with successful projects in Europe and China [7] - Future plans include expanding from component supply to branded system products, aiming to provide diversified solutions in the acoustic, optical, and electronic sectors [8]