Group 1 - The company has been selected as the first candidate for the bid of the concrete drainage pipe procurement project by China Nuclear Construction Group [1][2] - The bid amount is RMB 206,796,333, which accounts for approximately 26.29% of the company's audited revenue for the year 2024 [2] - The project includes the supply, inspection, testing, packaging, transportation, and after-sales service of concrete drainage pipes [1] Group 2 - The delivery location is specified as the construction site of the drainage pipeline project in Lianyungang, Jiangsu Province [1] - The delivery will be conducted in batches according to the construction progress after the contract is signed [1] - The company has no related party relationship with the bidder or the bidding agency [1]

Group 1 - The stock price of Hanjian Heshan is reported at 6.44 yuan as of August 5, 2025, with a decrease of 0.26 yuan from the previous trading day [1] - The company operates in the cement and building materials sector, focusing on the research, production, and sales of prestressed concrete pipes and reinforced concrete drainage pipes [1] - The total market capitalization of Hanjian Heshan is 2.52 billion yuan [1] Group 2 - On August 5, the stock experienced significant volatility, with a rapid rebound of over 2% within 5 minutes around 9:35 AM, followed by a decline of over 2% within 5 minutes at 9:42 AM [1] - The net inflow of main funds on August 5 was 12.85 million yuan, accounting for 0.52% of the circulating market value [1] - Over the past five trading days, the cumulative net outflow of main funds reached 56.39 million yuan, representing 2.3% of the circulating market value [1]