Group 1: Investor Relations Activity Overview - The investor relations activity was conducted on June 25, 2025, via an online meeting [3] - Participating institutions included multiple securities firms and asset management companies, totaling over 20 participants [3] - The meeting was attended by the company's Vice General Manager and Board Secretary, Mr. Zhou Weidi [3] Group 2: Company Developments in Autonomous Driving - The company is actively developing products for the autonomous driving sector, focusing on FAKRA connectors, coaxial wires, and lightweight wire materials [4] - There is an increasing demand for high-performance wiring harnesses and centralized architecture domain controllers due to trends in automotive intelligence, electrification, and lightweighting [4] - The company has already developed products for applications in unmanned aerial vehicles and autonomous construction machinery [4] Group 3: Automotive Industry Project Progress - The company is making orderly progress in various automotive projects, including battery pack wiring harnesses for commercial logistics vehicles and charging gun components for brands like Geely and Lynk & Co [5] - Some projects have already entered mass production, while others are in the product development and sampling stages [5]

Group 1: Investor Relations Activity - The company participated in the 2025 Mid-Year Strategy Conference organized by Galaxy Securities on June 25, 2025 [3] - Attendees included representatives from various investment firms such as China Merchants Securities and Infinidi Capital [3] - Company representatives included Secretary of the Board Wang Hengbin and Securities Affairs Representative Liu Minjie [3] Group 2: New Product Development - The company is developing several new products, including: - TH500 series high-voltage pulse current voltage analysis system, max voltage 1500V [5] - TH520/TH521 series parameter analyzers for power semiconductor devices [5] - TH530 series avalanche energy testers with a max avalanche voltage of 2500V [5] - TH550 series KGD testing systems supporting up to 3500V/200A [5] - TH6XX series modular cable testing systems with over 1024 test channels [6] Group 3: Sales Market Distribution - The sales revenue structure shows that approximately 70% comes from the industrial manufacturing sector, while about 30% is from universities and research institutions [6] Group 4: International Expansion - The company plans to invest €100,000 to establish a wholly-owned subsidiary in Munich, Germany, to enhance its market share in Europe [7] Group 5: Market Outlook for 2025 - In Q1 2025, the company reported revenue of CNY 39.09 million, a year-on-year increase of 23.84% [7] - Net profit attributable to shareholders was CNY 9.92 million, up 125.39% year-on-year [7] - The company anticipates structural growth in testing demand in the consumer electronics and new energy sectors in 2025 [7]

Group 1: Company Strategy and Market Opportunities - The company aims to expand its testing service network across China to support the high-quality development of the automotive industry [3] - Key growth drivers include the expansion of domestic automotive brands, increasing demand for differentiated testing services, strong export trends, rapid development of new energy and intelligent connected technologies, and upgraded regulatory requirements [3] Group 2: Testing Capabilities and Services - The company is enhancing its testing capabilities by introducing new testing scenarios, such as wet circular wet control testing roads and intelligent connected vehicle testing grounds [3] - A "one-stop" technical service capability is being developed to provide comprehensive solutions throughout the R&D verification process, significantly improving service efficiency and customer value [3] Group 3: Revenue Sources and Client Relationships - Major testing institutions include Tianjin Inspection Center, Changchun Inspection Center, and others, primarily state-owned enterprises [4] - Revenue sources have shifted from mandatory inspections to client-commissioned R&D testing due to increased investment in domestic brand development [5] - The business from the Automotive Center and its affiliates accounts for approximately 18% of the company's annual revenue [7] Group 4: Future Projections and Risks - The Long Triangle (Yancheng) intelligent connected vehicle testing ground is a fundraising project, with its output value dependent on macroeconomic conditions and market demand [6] - The testing cycle for intelligent connected vehicles is dynamic and varies, with the company focusing on becoming a key partner in accelerating product development and market entry [6][7]

Group 1: Investor Relations Activities - The company conducted a specific investor research activity on June 25, 2025, via Tencent online meeting and in the company conference room [3][4] - Attendees included major financial institutions such as Eastmoney Securities, Sequoia China, and BlackRock [4] Group 2: Market Insights and Predictions - The price of konjac raw materials in 2025 will depend on supply factors, including planting area and weather conditions, which directly affect production and pricing [4][5] - The probability of explosive growth in konjac planting area is low due to specific growing conditions, but an increase in planting area is expected this year due to rising prices [5] Group 3: Market Expansion Opportunities - The konjac industry is targeting growth in health-oriented, functional, and environmentally friendly markets, focusing on low-calorie meal replacements, plant-based innovations, and biodegradable materials [6] - The company plans to leverage technological upgrades and precise marketing to capture high-value market segments [6] Group 4: Production Capacity and Future Products - Current production capacity for konjac balls is 35,000 tons, with plans to increase to 80,000 tons based on market feedback [7] - New product development includes frozen products and jelly powders aimed at the beverage and dairy sectors [7] Group 5: Business Collaboration and Profitability - The company collaborates with clients like Wei Long and Mi Xue Bing Cheng, primarily through ODM production [8] - The company aims to maintain stable gross margins by gradually passing on cost pressures through a cost-plus pricing strategy [10] Group 6: Future Business Strategy - The company plans to increase investment in application research and development to explore new uses for konjac gum [11] - The konjac industry is viewed positively, with expectations of continued growth, and the company remains confident in its market prospects [11]

Group 1: Company Overview and Business Operations - The company focuses on water environment comprehensive governance, urban water system services, sponge city construction, municipal design, EPC contracting, and engineering consulting [2] - The company is expanding its business scope through acquisitions and integrating information technology to explore new profit growth points [2] Group 2: Personnel Changes - Recent personnel adjustments are due to the major shareholder's overall personnel arrangements and the need to strengthen corporate governance [2] Group 3: Legal Matters - The company is involved in an arbitration case with Tongfang Investment, which has appealed to the Supreme People's Court for a retrial, currently under review [3] Group 4: Sponge City Projects - The company has undertaken three sponge city projects in Hebei, Yunnan, and Sichuan, covering the entire process from planning to operation [4] - No new sponge city projects have been won recently; existing projects focus on risk mitigation and operational tasks [4] Group 5: Lithium Battery Material Business - The company's subsidiary in Inner Mongolia specializes in graphite processing for lithium battery anodes, but has faced significant sales declines and increased losses due to market fluctuations [5] Group 6: Land Development Projects - The company's land project in Pingshan was included in Shenzhen's 2023 urban renewal plan, with ongoing progress in the land compensation agreement [6] Group 7: Employee Count - As of December 31, 2024, the company has a total of 343 employees [7] Group 8: Shareholder Business and Competition Issues - The indirect controlling shareholder, Shanxi Construction Investment, is exploring business adjustments and asset restructuring to resolve competition issues, with a proposed extension of the commitment period [9] Group 9: Future Growth and M&A Plans - The company will disclose its 2024 annual report and development strategy, including any potential M&A plans, in accordance with regulatory requirements [11]

投资者关系活 动类别 √特定对象调研 □分析师会议 □媒体采访 □业绩说明会 □新闻发布会 □路演活动 □现场参观 □其他（请文字说明其他活动内容） 参与单位名称 及人员 中信资管：唐萤、张力琦、肖云凯、鲍明明、卢华权 时间 2025 年 6 月 26 日 地点 公司行政二号会议室 上市公司接待 人员姓名 副总裁兼董事会秘书：李霞 证券事务主管：肖莉 投资者关系活 动主要内容介 绍 1.请简要介绍 2025 年公司海外冰洗产业的市场策略 答：公司冰洗海外市场方面，在产品布局上紧密把握全球消 费需求升级趋势，主推"风冷、变频、多门、节能"等趋势性产 品，构建"高端高品味、中端高性价比、低端高效率"产品矩阵， 精准匹配差异化市场消费需求；构建以用户为中心的全方位营销 体系，提升大客户需求契合度及客户合作效率，进一步增强客户 黏性；业务拓展方面，深化合作挖掘存量市场潜力，巩固现有业 务基础，重点布局增长迅速的新兴市场，积极开拓增量空间，实 现市场份额的持续增长；深耕品牌根据地市场，从渠道纵深拓展、 产品矩阵完善、市场推广能力提升以及人才梯队建设等多维度发 力，全面提升品牌竞争力，加速海外自主品牌业务的规模化发展， ...

Group 1: Company Overview and Business Operations - The company specializes in water environment management, urban water system services, sponge city construction, municipal design, EPC contracting, and engineering consulting [2] - The company is expanding its business scope through acquisitions and integrating digital technologies to enhance traditional operations and explore new profit models [2] Group 2: Personnel Changes and Management - Recent personnel adjustments are part of the major shareholder's overall management strategy and are considered normal operational changes [2] Group 3: Legal Matters - The company is involved in an arbitration case with Tongfang Investment, which is currently under review by the Supreme People's Court after an appeal for retrial [3] - A professional legal team has been engaged to manage the case and minimize its impact on the company [3] Group 4: Sponge City Projects - The company has undertaken three sponge city projects located in Hebei, Yunnan, and Sichuan, covering the entire process from planning to operation [4] - No new sponge city projects have been won recently; existing projects are focused on risk management and operational tasks [4] Group 5: Lithium Battery Material Business - The company's subsidiary in Inner Mongolia focuses on the deep processing of graphite for lithium battery anodes [5] - The business has faced significant challenges, including a decline in sales and increased losses due to market fluctuations and a lack of a complete industrial chain [5] Group 6: Land Development Projects - The company's land in Pingshan was included in Shenzhen's 2023 urban renewal plan, with a compensation agreement signed in November 2023 [6][7] - The land development project is progressing steadily, with updates to be disclosed through official channels [7] Group 7: Employee Count - As of December 31, 2024, the company has a total of 343 employees [7] Group 8: Shareholder and Competition Issues - The indirect controlling shareholder, Shanxi Construction Investment, is exploring business adjustments and asset restructuring to address competition issues [7] - The commitment to resolve competition issues has been extended due to various operational challenges and financial pressures [7] Group 9: Future Growth and M&A Plans - The company's development strategy for 2025 will be detailed in the 2024 annual report [8] - Any potential merger and acquisition plans will be disclosed in accordance with regulatory requirements [8]

Group 1: Water Supply and Wastewater Treatment Projects - The company operates and is constructing water supply projects with a capacity of approximately 4.3 million tons per day and wastewater treatment projects exceeding 4.8 million tons per day, with most projects expected to be operational between 2025 and 2026 [2][3]. Group 2: Accounts Receivable Management - The company has seen an increase in accounts receivable due to expanded business operations, and it places a high priority on managing accounts receivable and actively pursuing collections [2]. Group 3: Waste Incineration Power Generation Projects - The Chengdu Wanxing Environmental Power Plant (Phase III) is under construction, with a waste processing capacity of 5,100 tons per day, sludge co-processing capacity of 800 tons per day, and kitchen waste processing capacity of 800 tons per day, expected to be operational in 2026 [3]. Group 4: Pricing Mechanism for Water Supply - The company can submit water price adjustment requests to the government price administration department based on national policies and relevant agreements, with adjustments subject to cost monitoring and public hearings [3]. Group 5: Future Capital Expenditure and Dividends - The company has significant capital expenditures due to multiple ongoing water supply and waste projects, which are expected to decrease as these projects become operational in the next 1-2 years. The company is focused on increasing cash dividend ratios and will consider further enhancing shareholder returns once major projects are operational [3].

Group 1: Company Strategy and Market Position - The company is focusing on the development of smart controllers for robotic applications and is exploring potential mergers and acquisitions to expand its market presence [2] - The company holds a positive outlook on the growth potential of the energy storage market, particularly in regions with unstable power supply like Kenya, Nigeria, and Tanzania [2] - The company plans to leverage its expertise in atomization controller technology to expand into new markets such as atomization medical and beauty applications [3] Group 2: Financial Performance and Projections - The revenue from the consumer electronics business accounts for 44% of total revenue in 2024, with significant contributions from the atomization controller platform [3] - The gross margin for the consumer electronics business is reported at 12.26%, with plans to enhance profitability through technology upgrades and customer optimization [3] - The company aims to expand its ODM business and strengthen strategic partnerships with key clients over the next two years, targeting both domestic and international market growth [3] Group 3: Operational Insights - The company's direct exports to the U.S. account for approximately 4%, indicating limited impact from changes in U.S.-China tariff policies [3] - The new factory in Thailand is set to begin production in June, focusing on PCBA products and finished goods such as sensing trash cans and electric tools [3]

Group 1: Mini-LED Technology in Automotive Displays - The company's Mini-LED technology is positioned as a key development direction in the automotive display market due to its high brightness, contrast, low power consumption, and long lifespan advantages [2] - The rapid growth of the electric vehicle market and the popularity of smart cockpit concepts are driving demand for high-performance and energy-efficient display technologies [2] - The company has established strong partnerships with tier 1 clients such as Continental, Faurecia, and Visteon, as well as end customers like BYD, NIO, and Geely, indicating a robust market presence [2] Group 2: LIPO Technology Development - The company began developing LIPO technology in 2022 to enhance competitiveness in the OLED display sector, responding to the rapid penetration of OLED in various devices [3] - LIPO technology has received high recognition from clients after three years of R&D, and it is expected to positively impact the company's performance as it enters mass production [3] - The introduction of LIPO ultra-narrow bezel technology by Apple in 2024 is setting a market trend, with major brands actively following suit, indicating a growing consumer demand [3] Group 3: Precision Structural Components - The market demand for precision structural components is significantly increasing due to the rapid development of industries such as electric vehicles and consumer electronics [3] - The company established a Precision Industrial Division in 2024 to leverage over 15 years of expertise in precision mold design and processing, focusing on the development of precision components for AI edge products [3]