Group 1 - The core business of the company is the research, production, and sales of ultra-high precision, high precision cutting tools, and superhard material products [1] - Recently, certain products, particularly diamond micro-drills used in PCB board hole processing, have gained attention; however, these products are still in the research and testing phase and have not generated revenue [1] - From January to September 2025, the diamond micro-drill achieved revenue of 9.5265 million yuan in other application areas [1] Group 2 - For the same period, the revenue from screw and RV reducer processing tools and diamond heat sink products is very small, accounting for no more than 1% of the company's total revenue [1] - The impact of these products on the company's overall revenue for 2025 is limited, and their development prospects are influenced by multiple factors, including industry trends and market conditions, which introduce uncertainty [1] - The relevant market is still in the early cultivation stage, and future market expansion may face challenges, including potential lower-than-expected downstream demand [1]