Group 1 - The core business of Jin Yi Industrial is primarily in the fastener industry, accounting for 92.55% of its revenue for the year 2024 [1] - Other business segments contribute 4.94%, while the automated storage equipment manufacturing and hardware tools industries account for 1.69% and 0.82% respectively [1] Group 2 - Jin Yi Industrial signed a procurement contract with China Railway Shanghai Bureau Group for the Nanjing to Huai'an intercity railway, valued at approximately RMB 334.67 million [3] - The contract pertains to high-speed railway fastening components and is expected to positively impact the company's operating performance and enhance its profitability and competitiveness [3] - The contract does not create any dependency on the buyer, ensuring the independence of Jin Yi Industrial's operations [3]