Core Viewpoint - Goldman Sachs maintains a positive outlook on AAC Technologies (02018) due to the expanding applications of edge AI devices in its components, including acoustic devices, MEMS microphones, and haptic feedback devices [1] Group 1: AI Smartphone Solutions - The collaboration between ZTE and ByteDance's Doubao has led to the launch of the AI smartphone prototype Nubia M153, enhancing the importance of acoustic devices in AI smartphones [2] - AAC Technologies provides solutions such as X-axis linear motors and dual speakers to optimize user experience when interacting with AI assistants via voice commands [2] - The increased computational power of AI smartphones is driving growth in thermal management needs, benefiting AAC Technologies' vapor chamber (VC) business [2] Group 2: AI/AR Glasses - Voice commands play a crucial role in AI/AR glasses, exemplified by Alibaba's new AI glasses, Quark S1, which utilize a multi-microphone setup for voice interaction [3] - The design characteristics of miniaturization, thinness, and lightweight features are critical for user comfort and battery life, directly impacting daily usage time [3] - AAC Technologies can achieve miniaturization and low power operation without sacrificing voice performance, positioning the company favorably in the market [3] - The anticipated increase in camera numbers and the application of optical combiners in AR glasses present new growth opportunities for AAC Technologies [3] Group 3: Innovative Edge AI Devices - Continuous upgrades of foundational large models are generating various innovative edge AI devices, broadening AAC Technologies' terminal market [4] - Voice commands are identified as a core function for all edge AI devices, benefiting AAC Technologies' acoustic and microphone businesses [4] - The company can customize solutions for AI devices, such as a 70 dB high-quality low-power microphone and a "three-in-one" prism solution for enhanced visual signals [4] - Observations indicate that AI foundational model suppliers are developing customized versions for edge devices, aiming for low-latency operation and enhanced AI functionalities [4] Group 4: Valuation - Goldman Sachs assigns a "buy" rating to AAC Technologies with a 12-month target price of HKD 68.6 [5]

Core Viewpoint - Goldman Sachs maintains a positive outlook on AAC Technologies (02018) due to the expanding application of edge AI devices in its components, including acoustic devices, MEMS microphones, and haptic feedback devices [1] Group 1: AI Smartphone Solutions - The collaboration between ZTE and ByteDance's Doubao has led to the launch of the AI smartphone prototype Nubia M153, enhancing the importance of acoustic devices in AI smartphones [2] - AAC Technologies provides solutions such as X-axis linear motors and dual speakers to optimize user experience when interacting with AI assistants via voice commands [2] - The increased computational power of AI smartphones is driving growth in thermal management needs, benefiting AAC Technologies' vapor chamber (VC) business [2] Group 2: AI/AR Glasses - Voice commands play a crucial role in AI/AR glasses, exemplified by Alibaba's new AI glasses, Quark S1, which utilize a multi-microphone solution for voice interaction [3] - The design requirements for AI/AR glasses emphasize miniaturization, thinness, and low power consumption, which directly affect user comfort and battery life [3] - AAC Technologies can achieve small, thin, and lightweight designs without compromising voice performance, presenting growth opportunities in the AR glasses market [3] Group 3: Innovative Edge AI Devices - Continuous upgrades of foundational large models are creating various innovative edge AI devices, expanding AAC Technologies' terminal market [4] - Voice commands are identified as a core function for all edge AI devices, benefiting AAC Technologies' acoustic and microphone businesses [4] - Customized solutions for AI devices, such as a 70 dB high-quality low-power microphone and a "three-in-one" prism solution for enhanced visual signals, are being developed [4] Group 4: Valuation - Goldman Sachs has assigned a "buy" rating to AAC Technologies with a 12-month target price of HKD 68.6 [4]

Core Insights - The report emphasizes the importance of monitoring the U.S. government shutdown and its impact on economic data and market sentiment, alongside the upcoming 20th Central Committee meeting in China, which will focus on the "14th Five-Year Plan" [4][2] - The market is expected to continue a trend of oscillating upward, supported by positive domestic PMI data and expectations surrounding the "14th Five-Year Plan" [4][2] - The report highlights a potential increase in foreign capital inflows in the fourth quarter, which could support the A-share market [4][2] - The core investment direction is likely to remain focused on technology assets in the near term [4][2] October Stock Picks - The October stock picks include: - China Southern Airlines (Transportation) - COSCO Shipping Specialized Carriers (Transportation) - Tongkun Co., Ltd. (Chemicals) - Yake Technology (Chemicals) - CATL (Electric New Energy) - Lingnan Holdings (Social Services) - Jinghe Integrated (Electronics) - Shenzhen South Circuit (Electronics) - GoerTek (Electronics) - Jieshun Technology (Computers) [9][10] September Performance Review - The September stock portfolio outperformed the market, with notable monthly returns exceeding 30% for CATL and Zhaoyi Innovation, and an absolute return of 4.64%, outperforming the market benchmark by 1.44 percentage points [5][6] Transportation Sector: China Southern Airlines - China Southern Airlines is a leading airline service provider with a significant market share and a robust hub network centered in Guangzhou and Beijing. The company is expected to achieve a revenue of 174.22 billion yuan in 2024, reflecting an 8.94% year-on-year growth [11][12] - The airline industry in China has seen a 172.8% growth in passenger transport over the past 15 years, with a projected domestic passenger transport volume of 730 million in 2024, a 17.86% increase [12][13] Transportation Sector: COSCO Shipping Specialized Carriers - The company reported a 44.05% year-on-year increase in revenue for the first half of 2025, reaching 10.775 billion yuan, with a net profit of 825 million yuan, marking a 13.08% increase [14][15] - The demand for specialized vessels remains strong, particularly in the automotive shipping segment, which saw a 439.87% increase in revenue [15][16] Chemicals Sector: Tongkun Co., Ltd. - The company experienced an 8.41% year-on-year decrease in revenue for the first half of 2025, totaling 44.158 billion yuan, with a notable decline in polyester filament prices due to fluctuating oil prices [16][17] - The gross profit margin improved to 6.76%, reflecting a 0.57 percentage point increase year-on-year [17][18] Chemicals Sector: Yake Technology - The company reported steady revenue growth driven by LNG and electronic materials, with a gross profit margin of 31.82% in the first half of 2025 [19][20] - The electronic materials segment saw a 15.37% year-on-year revenue increase, with significant contributions from semiconductor chemical materials [20][21] New Energy Sector: CATL - CATL is projected to achieve a net profit of 50.745 billion yuan in 2024, a 15.01% increase year-on-year, with a total revenue of 362.013 billion yuan [23][24] - The company maintains a leading position in the global battery market, with a 37.9% market share in 2024 [24][25] Social Services Sector: Lingnan Holdings - The company reported an 8.52% year-on-year increase in revenue for the first half of 2025, totaling 2.09 billion yuan, with a net profit of 50 million yuan, reflecting a 24.39% increase [26][27] - The opening of a city duty-free store is expected to enhance customer flow and boost related tourism industry growth [27][28] Electronics Sector: Jinghe Integrated - The company achieved a 28% year-on-year revenue increase in 2024, totaling 9.249 billion yuan, with a net profit of 533 million yuan, marking a 152% increase [29][30] - The company is focusing on optimizing product structure and upgrading technology processes to maintain competitive advantages [30][31] Electronics Sector: Shenzhen South Circuit - The company reported a 25.63% year-on-year revenue increase in the first half of 2025, reaching 10.453 billion yuan, with a net profit of 1.36 billion yuan [32][33] - The PCB business saw a 29.21% year-on-year increase in revenue, driven by demand in communication and data center sectors [33][34]

Group 1: Macro Insights - The export performance remains strong, with August exports expected to exceed expectations, while second-hand housing sales show slight improvement but remain weak overall [5][6] - The Jackson Hole meeting indicated a dovish stance from Powell, with a high probability of interest rate cuts in September and two cuts expected within the year [6][7] - The food and beverage sector has finally seen a daily-level increase, while the oil and petrochemical sectors have also reversed previous downtrends [7][11] Group 2: Company-Specific Insights - Jackson Hole's policy framework revisions suggest a shift away from the "average inflation target," which may limit long-term rate cuts if inflation remains high [6] - Xiaomi Group reported record revenue and profit in Q2 2025, driven by high-end product offerings and growth in IoT and automotive sectors [32][33] - The construction company Lianjian Technology is expected to see significant growth due to successful mergers and acquisitions, with projected net profits increasing substantially from 0.70 billion to 1.66 billion from 2025 to 2027 [20] - Angel Yeast is anticipated to enter a multi-year upward cycle, with projected net profits of 16.4 billion to 21.9 billion from 2025 to 2027, reflecting a strong recovery [21] - Weilai Transmission, a leader in wind power precision transmission, is expected to turn profitable in 2025, with significant growth in net profits projected for the following years [22] - Muyu Group's pig production volume increased by 44.8% in H1 2025, with a focus on cost reduction, aiming to lower costs to 11 yuan/kg by year-end [41][42]