Group 1: Pricing Strategy - The company generally adopts a cost-plus pricing strategy to determine sales guidance prices, considering factors such as customer customization requirements, material selection, production complexity, customer demand, creditworthiness, and actual payment cycles [4] - Higher customization, complex components, and lower customer demand lead to a higher cost-plus rate and internal guidance price [4] Group 2: Remanufacturing Services - The remanufacturing service involves professional repair of customers' used engineering rock drilling tools, ensuring the remanufactured products meet the same quality and performance as new ones [5] - The process includes inspection, disassembly, cleaning, repair, and replacement of parts to enhance the reuse rate and reduce costs for customers [5] Group 3: Revenue Recognition Standards - For domestic sales, revenue is recognized based on the transfer of control as per the sales contract, categorized into acceptance confirmation and signing confirmation [6] - For international sales, revenue is recognized based on the terms of the contract, typically at the export date recorded on customs or bill of lading [6] Group 4: M&A Plans - The company is attentive to industry consolidation opportunities, focusing on upstream and downstream of the industry chain, with no current M&A transactions disclosed [7][8] - Future M&A plans will be disclosed in accordance with listing rules if they arise [8] Group 5: Subsidiary Applications - Suzhou Aidu's products are primarily used in the development of nickel-based alloys and various wear-resistant and corrosion-resistant materials, applied in twin-screw extruder components [9] - The twin-screw extruder is widely used in industries such as new energy, plastics, food, and chemicals, with promising future development prospects [9]

Group 1: Company Development Plans - In 2025, the company plans to enhance production capacity through the completion of its engineering rock drilling tools production base, aiming for revenue growth and maintaining its leading position in niche markets [4] - The acquisition of Aidu Alloy will extend the company's strategic layout into the upstream of the shield tool industry, focusing on new product development and market expansion to improve profitability [4] - The company will increase efforts in overseas market development to achieve stable growth and become a leading global manufacturer and service provider in the rock drilling tools sector [4] Group 2: Competitive Advantages - The company has a strong technological advantage due to continuous R&D investment, resulting in numerous patents and recognition as a high-tech enterprise [5] - Product advantages include a wide variety of engineering rock drilling tools, with over 200 types and sizes, ensuring adaptability to various geological conditions [7] - The company has established solid relationships with major domestic shield machine manufacturers and construction units, enhancing customer loyalty and market presence [8] Group 3: Future Growth and Market Impact - The company anticipates growth from its production base, which was completed in December 2024, and aims to improve production efficiency and scale [13] - The domestic infrastructure investment is projected to reach CNY 24.5 trillion in 2025, with varying growth rates across sectors, impacting the demand for shield tools [15] - The company is positioned to benefit from long-term trends in smart and green construction, as well as expanding overseas markets, particularly in Southeast Asia and the Middle East [15] Group 4: R&D Focus and Investment - Current R&D focuses on enhancing the performance of shield, pipe jacking, and non-excavation tools, particularly for challenging geological conditions [13] - The company will maintain its commitment to R&D investment, aligning its projects with market needs to sustain its competitive position [13] Group 5: Export Markets - The company's products are primarily exported to countries such as India, Singapore, Malaysia, Sri Lanka, the Philippines, South Korea, and Japan [16]

Group 1: Company Overview and Activities - The company held an earnings briefing on May 15, 2025, via the "Investor Relations Interactive Platform" [3] - Key personnel present included Chairman Yu Lixin, General Manager Xu Jingsong, and Financial Officer Su Xiaojing [3] Group 2: Subsidiary Development - Subsidiary Aidun Alloy focuses on R&D, production, and sales of nickel-based and various wear-resistant and corrosion-resistant alloy materials [4] - Aidun Alloy maintains good relationships with downstream customers and is expanding its application in various industries, including new energy and petrochemicals [4] Group 3: International Business Opportunities - The company’s products are primarily exported to countries involved in the "Belt and Road" initiative, including India, Singapore, Malaysia, and Japan [5] - The ongoing large-scale initiation of overseas infrastructure projects presents new growth opportunities for the company [5] Group 4: Business Diversification Plans - The company aims to diversify by expanding into new markets and enhancing its product offerings, particularly through the acquisition of Aidun Alloy [5][8] - Plans for 2025 include strengthening R&D for new products and increasing market share [8] Group 5: Production Capacity and Efficiency - The company's rock-breaking tool production base was completed and put into operation on December 17, 2024, with ongoing efforts to enhance production efficiency [7][8] - The company is focusing on developing non-excavation tools to improve manufacturing capabilities [8] Group 6: Financial Management and Performance - The company has implemented measures to improve accounts receivable management, resulting in a significant increase in sales collections in 2024 [10] - As of Q1 2025, accounts receivable have decreased, indicating effective recovery efforts [10] Group 7: Information Disclosure and Investor Relations - The company adheres to regulations for investor relations management and maintains open communication channels with investors [11] - Brokers and sponsors ensure timely review of information disclosure documents and compliance with regulations [11]