每经AI快讯，有投资者在投资者互动平台提问：请问贵公司有产品用于盾构机吗？与哪些盾构机头部 厂商有合作？ 长盛轴承（300718.SZ）9月17日在投资者互动平台表示，公司的自润滑轴承可以应用于盾构机的油缸 中，作用主要是提供精准导向，防止活塞杆偏移，提升密封寿命。公司是盾构机领域客户的二级或三级 供应商。 （记者 王晓波） ...

Group 1 - The company maintains close communication and collaboration with stakeholders in the robotics industry, including robot manufacturers, relevant suppliers, and manufacturers of dexterous hands [1] - The company's research direction in the robotics field focuses on self-lubricating bearings used in joints, products in some linear actuators, and components related to dexterous hands [1]

Company Overview - Changsheng Bearing Co., Ltd. is located in Jiaxing, Zhejiang Province, established on June 14, 1995, and listed on November 6, 2017. The company specializes in the research, production, and sales of self-lubricating bearings and high-performance polymers [1][2]. Financial Performance - For the first half of 2025, Changsheng Bearing achieved operating revenue of 618 million yuan, representing a year-on-year growth of 11.03%. The net profit attributable to the parent company was 126 million yuan, with a year-on-year increase of 9.22% [2]. - Since its A-share listing, the company has distributed a total of 697 million yuan in dividends, with 344 million yuan distributed over the past three years [3]. Stock Performance - As of September 16, the stock price of Changsheng Bearing increased by 2.06%, reaching 98.80 yuan per share, with a trading volume of 1.129 billion yuan and a turnover rate of 5.98%. The total market capitalization is 29.519 billion yuan [1]. - Year-to-date, the stock price has risen by 224.40%, with a 7.79% increase over the last five trading days, a 0.70% decrease over the last 20 days, and a 42.20% increase over the last 60 days [1]. Shareholder Information - As of June 30, 2025, the number of shareholders for Changsheng Bearing was 68,500, a decrease of 13.36% from the previous period. The average circulating shares per person increased by 15.42% to 2,828 shares [2]. - Among the top ten circulating shareholders, Hong Kong Central Clearing Limited is the ninth largest, holding 1.1238 million shares, a decrease of 1.278 million shares from the previous period. The Southern CSI 1000 ETF is the tenth largest shareholder, holding 1.1018 million shares as a new shareholder [3]. Business Segmentation - The main business revenue composition includes: 48.26% from metal-plastic polymer self-lubricating rolled bearings, 25.44% from bimetal boundary lubricated rolled bearings, 23.51% from metal-based self-lubricating bearings, and 2.79% from other supplementary products [1].

Group 1: Company Overview - The main business of the company is the research, production, and sales of self-lubricating bearings and high-performance polymers, with key products including self-lubricating bearings and modified engineering plastics [2] - In the first half of 2025, the company's revenue increased by 11.03% year-on-year, and the net profit attributable to shareholders grew by 9.22% [2] - Revenue from the automotive and engineering machinery sectors increased by approximately 10% [2] Group 2: Market Focus and Strategy - The automotive sector is a key development direction for the company, which aims to enhance market share [2] - The engineering machinery sector showed a significant rebound in revenue during the first half of the year, with a focus on cost reduction through industry chain collaboration [2] - The company maintains close communication and cooperation with stakeholders in the robotics industry, including manufacturers and suppliers [3] Group 3: Product Applications and Innovations - The company's linear actuators are primarily used in robotic fingers, wrists, elbows, and knees, facilitating precise coordination of robotic movements [3] - High-performance polymers such as PTFE, PEEK, and PA are utilized in the company's products, offering lightweight, corrosion resistance, and improved structural strength [3] - The use of polymer materials for structural components significantly enhances production efficiency and reduces costs, contributing to the lightweight and cost-saving requirements of robotics [3] Group 4: Financial Performance - The overall gross margin for the first half of 2025 remained stable, with a slight decline of approximately 1 percentage point due to raw material price fluctuations [3] - Domestic revenue accounted for about 60% of total revenue, benefiting from the robust growth of the domestic automotive industry [3]

Core Viewpoint - The company reported a steady revenue growth of 11.03% year-on-year for the first half of 2025, driven by strong performance in the automotive sector and effective cost control measures [1][2][3]. Financial Performance - In the first half of 2025, the company achieved a revenue of 618 million yuan, with a net profit attributable to shareholders of 126 million yuan, reflecting a year-on-year increase of 9.22% [1]. - The second quarter of 2025 saw revenues of 336 million yuan, marking a 19.73% increase year-on-year, with net profits of 73 million yuan, up 15.58% [1]. - The gross margin and net profit margin for the first half of 2025 were 34.54% and 20.38%, respectively, showing slight declines of 1.20 and 0.34 percentage points year-on-year [3]. Business Segments - The automotive industry showed robust growth, with production and sales increasing by 12.5% and 11.4% respectively in the first half of 2025, contributing to the company's performance [2]. - Revenue from various bearing products in the first half of 2025 included 213 million yuan from self-lubricating bearings, 112 million yuan from bimetallic bearings, and 104 million yuan from metal-based self-lubricating bearings, with year-on-year growth rates of 9.08%, 18.12%, and 21.93% respectively [2]. Cost Management - The company maintained stable expense ratios, with sales, management, and financial expense ratios at 2.25%, 6.12%, and -2.17% respectively, showing minor fluctuations year-on-year [3]. - The decrease in financial expenses was primarily due to the appreciation of the RMB against the Euro, leading to increased exchange gains [3]. Future Outlook - The company is positioned as a leader in the domestic self-lubricating bearing industry, with promising growth in the automotive and engineering machinery sectors, as well as emerging opportunities in the humanoid robotics market [4]. - Revenue projections for 2025-2027 are estimated at 1.293 billion yuan, 1.487 billion yuan, and 1.733 billion yuan, with net profits expected to reach 265 million yuan, 309 million yuan, and 366 million yuan respectively [4].

Investment Rating - The investment rating for the company is "Accumulate" [1] Core Views - The company reported a revenue of 618 million yuan for the first half of 2025, representing a year-on-year growth of 11.03%. The net profit attributable to shareholders was 126 million yuan, up 9.22% year-on-year [2] - The automotive industry is experiencing robust production and sales, which is driving the company's performance. In the first half of 2025, the company's revenue from various bearing products showed significant growth, with self-lubricating bearings increasing by 9.08%, bi-metal boundary lubricated bearings by 18.12%, and metal-based self-lubricating bearings by 21.93% [3] - The company's gross margin and net profit margin for the first half of 2025 were 34.54% and 20.38%, respectively, showing stable profitability. The company maintained good cost control, with a slight decrease in financial expenses due to currency exchange gains [4] - The self-lubricating bearing industry has broad application potential, especially in new fields such as construction and robotics. The company has begun to achieve bulk sales of certain products in the robotics sector [5] - The company is a leading player in the domestic self-lubricating bearing industry, with expected revenue growth from 2025 to 2027 projected at 12.93 billion yuan, 14.87 billion yuan, and 17.33 billion yuan, respectively. The net profit is expected to reach 2.65 billion yuan, 3.09 billion yuan, and 3.66 billion yuan during the same period [6] Financial Summary - For the first half of 2025, the company achieved a revenue of 618 million yuan, with a net profit of 126 million yuan, reflecting a year-on-year growth of 11.03% and 9.22%, respectively [2] - The revenue from self-lubricating bearings, bi-metal boundary lubricated bearings, and metal-based self-lubricating bearings for the first half of 2025 was 213 million yuan, 112 million yuan, and 104 million yuan, respectively [3] - The company's financial forecasts indicate a steady increase in revenue and net profit from 2025 to 2027, with projected earnings per share (EPS) of 0.89 yuan, 1.03 yuan, and 1.22 yuan [6]

Investment Rating - The report assigns an "Overweight" rating to the mechanical manufacturing industry [6]. Core Insights - The report highlights the rapid development opportunities for agricultural robots driven by AI, as outlined in the State Council's recent policy [6]. - The commencement of the Jinhuo Technology project for high-end machine tools and automation production lines marks a significant step towards domestic high-end machine tool production [6]. - Collaboration between General Technology and Siemens in the machine tool sector is expected to enhance technological synergies and regional resource sharing [6]. Summary by Sections Market Performance - From August 25 to August 29, the mechanical equipment index increased by 1.15%, underperforming compared to the CSI 300 index, which rose by 2.23% [9]. - Year-to-date, the mechanical equipment index has gained 33.69%, outperforming the CSI 300 index's 17.70% increase [11]. Key Developments - The State Council's policy on "AI+" aims to accelerate the digital transformation of agriculture, promoting the development of smart agricultural machinery, including robots [6]. - The Jinhuo Technology project, with an annual production capacity of 3,000 high-end machine tools, is set to establish a precision machine tool manufacturing base in Fuyang Economic and Technological Development Zone [6]. - The collaboration between General Technology and Siemens focuses on core needs in machine tools and servo automation, aiming for high-quality development in the Asia-Pacific region [6]. Sub-industry Data - In July 2025, the production of industrial robots reached 63,740 units, marking a 24% year-on-year increase [45]. - The output of metal cutting machine tools in July 2025 was 71,000 units [43]. Company Recommendations - For humanoid robots, recommended companies include Hengli Hydraulic, Best, Changsheng Bearing, Zhaowei Electric, Mingzhi Electric, Top Group, Jiechang Drive, Mannester, and Shuanghuan Transmission [6]. - In the engineering machinery sector, recommended companies are Hengli Hydraulic, Sany Heavy Industry, XCMG, and Zoomlion [6]. - For the export chain, recommended companies include Honghua Digital Technology, Juxing Technology, Jack Shares, and Taotao Vehicle [6].

Market Sentiment - The current market sentiment score is 73, indicating a "relatively hot" market condition, which suggests a gradual upward trend supported by recent improvements in market sentiment and policy support [6][9][20]. Hot Themes Tracking - **Robotics Theme**: Nvidia is set to launch a new "brain" for robots, generating interest in related stocks such as Wolong Electric Drive (600580) and Changsheng Bearing (300718) [6]. - **GPU Theme**: The Ministry of Industry and Information Technology emphasizes the need to enhance computing power resources and promote the development of GPU chips, with related stocks including Loongson Technology (688047) and Jingjia Micro (300474) [6]. - **Rare Earth Theme**: The rare earth sector is gaining traction, with a recent seminar focusing on the integration of rare earth materials with low-altitude economy and robotics, involving companies like Northern Rare Earth (600111) and Guangsheng Nonferrous Metals (600259) [6]. Capital Flow Analysis - The top ten stocks with the highest net inflow include Dongfang Caifu (300059) with a net inflow of 323.69 million, followed by Tongfu Microelectronics (002156) at 179.80 million [10]. - The top ten stocks with the highest financing net purchases include Dongfang Caifu (300059) at 152.28 million and Ningde Times (300750) at 125.01 million [11]. - The top ten stocks with the highest net outflow include Lingyi iTech (002600) with a net outflow of -202.37 million and Gree Electric Appliances (000651) at -171.36 million [21]. Industry Insights - The electronics sector shows significant net inflow, indicating strong investor interest, while the machinery and automotive sectors are experiencing notable net outflows, suggesting caution among investors [15][16][21].

Group 1 - Five executives plan to reduce their holdings, totaling 30,638,139 shares (10.253% of total share capital), with a maximum reduction of 3,595,000 shares (1.203% of total share capital) [1][2] - The reduction period is set from September 19, 2025, to October 18, 2025, within one month after the announcement [2] - The reduction will be executed through centralized bidding or block trading, driven by personal funding needs [2] Group 2 - Vice Chairman Lu Xiaolin plans to reduce holdings by up to 1.47 million shares (0.492%), while other executives will also reduce their holdings in smaller amounts [3] - The minimum reduction price will not be lower than the company's initial public offering price, adjusted for rights and dividends [4] - The shares being reduced are sourced from pre-IPO shares and stock dividends, with no change in control or impact on the company's ongoing operations [4]

Core Viewpoint - As of August 28, no listed companies have disclosed any increase in shareholding, while 21 companies have announced share reductions by their shareholders [1]. Summary by Category Share Reduction Announcements - Keg Precision Machinery: Controlling shareholder plans to reduce holdings by up to 3% [2] - Oulu Tong: Controlling shareholder and actual controller's concerted action party plans to reduce holdings by up to 1.74% [2] - Nanmo Biology: Plans to reduce repurchased shares by up to 1% of total share capital [2] - Weike Technology: Three shareholders plan to transfer a total of 2.99% of total share capital [2] - Jino Medical: Shareholder plans to reduce holdings by up to 0.04% [2] - Zhejiang Shiyu: Controlling shareholder plans to reduce holdings by up to 2% [2] - Zhongke Tongda: Shareholder Wuhan Gaoke plans to reduce holdings by up to 1% [2] - Chunzong Technology: Multiple shareholders plan to reduce holdings by up to 2% [2] - Wantong Expressway: Shareholder China Merchants Highway plans to reduce holdings by up to 3% [2] - Tai Rui Machinery: Actual controller Zheng Jianguo plans to reduce holdings by up to 2.95% [2] - Haotong Technology: Actual controller Xia Jun and specific shareholder Xuzhou Botong plan to reduce holdings by up to 3% [2] - Changsheng Bearing: Some senior management plans to reduce holdings by up to 1.2% [2] - Dongtian Micro: Shareholder plans to reduce holdings by up to 0.57% [2] - Aojie Technology: Shareholder Ali Network plans to reduce holdings by up to 3% [2] - Bocheng Shares: Some directors and senior management plan to reduce holdings [2] - Rongtai Shares: Shareholder Tai'an Runtu plans to reduce holdings by up to 1.05% [2] - Shangwei New Materials: Jinfeng Investment Holdings has completed the reduction of 4.0336 million shares [2] - Zhongchu Logistics: Senior management member Chu Xuri plans to reduce holdings by up to 0.09% [2] - Hengsheng Energy: One of the actual controllers, Gan Shunxian, plans to reduce holdings by up to 2% [2] - Jinghua New Materials: Controlling shareholder plans to reduce holdings by up to 3.01% [2] - New Coordinates: Shareholder plans to reduce holdings by up to 1% [2]