大禹节水：为子公司提供5000万元连带责任保证担保

Core Points - The company has approved a guarantee limit of up to 3.27 billion yuan for financing its subsidiaries for the year 2025 [1] - A guarantee contract has been signed with Industrial and Commercial Bank of China for a joint liability guarantee of 50 million yuan for its subsidiary Tianjin Dayu [1] - The company holds 100% equity in Tianjin Dayu [1] Financial Summary - As of the announcement date, the company and its controlled subsidiaries have an approved external guarantee limit of 4.778 billion yuan [1] - The total external guarantee amount is 2.883 billion yuan [1] - The actual external guarantee balance is 1.759 billion yuan, with no overdue external guarantees [1]