Tianjin Water Resources Research Institute Tianjin River and Lake Health Assessment (2025) and Monitoring of Aquatic Plant Physical and Chemical Habitats in the Central Urban Area of Haihe River (Project No. HHJKPJSZWLHSJJC-2025-01) Contract Announcement Release Date: April 15, 2025 Source: Tianjin Water Resources Research Institute I. Contract No.: Jinchaitong [2025] 357432 II. Contract Name: Tianjin River and Lake Health Assessment (2025) and Monitoring of Aquatic Plant Physical and Chemical Habitats in the Central Urban Area of Haihe River (Package 1) III. Project No.: HHJKPJSSZWLHSJJC-2025-01 IV. Project Name: Tianjin River and Lake Health Assessment (2025) and Monitoring of Aquatic Plant Physical and Chemical Habitats in the Central Urban Area of Haihe River. Package 1 V. Contract Subject Procuring Party (Party A): Tianjin Water Resources Research Institute Address: No. 60 Youyi Road, Hexi District, Tianjin Contact Information: 022-28375294 Supplier (Party B): Tianjin Yunni Technology Co., Ltd. Address: No. 10 Chong'anli, Xincun Street, Binhai New Area, Tianjin Contact Information: 022-23615006 VI. Main Contract Information Main Subject Name: Tianjin River and Lake Health Assessment (2025) and Monitoring of Aquatic Plant Physical and Chemical Habitats in the Central Urban Area of Haihe River. 1 Package Specification and Model: 1. Technical Service Objective: To provide biological monitoring technology services for the "Tianjin River and Lake Health Assessment (2025)" project; Meet the quality, schedule, and other service requirements stipulated in this contract. 2. Technical service content: Biological monitoring of the Haihe River main stream, including: (1) fish survey; (2) Investigation of benthic organisms; (3) Monitoring of phytoplankton; (4) Monitoring of diatoms. 3. Technical service mode: Combining on-site biological investigation with data processing and diversity analysis. Main Object Quantity: 1. Main Object Unit Price: 105500 (Ten Thousand Yuan) Contract Amount: 105500 (Ten Thousand Yuan) Performance Period, Location, etc. Brief Information: From the date of contract signing to the date when the deliverables are reviewed and all relevant cooperation work is completed. Among them, the outcome document should be submitted before November 20, 2025. Procurement method: Competitive negotiation Supplier account name: Tianjin Yunni Technology Co., Ltd. Supplier account: 0302070919300082905 Supplier account opening bank: Industrial and Commercial Bank of China Tianjin Wangdingdi Branch Unified social credit code: 91120116052060670C Enterprise office phone: 022-23615006 7. Contract signing date: April 10, 2025 8. Contract announcement date: April 15, 2025 9. Other supplementary matters: Within 15 working days after the contract is signed, Party A shall pay 30% of the technical service fee to Party B as the down payment; Within 15 working days after Party B completes the summer biological monitoring work and submits the stage results report, Party A shall pay 30% of the technical service fee to Party B; After the second party completes the autumn biological monitoring work and submits the stage results data, the first party shall pay 30% of the technical service fee to the second party; The second party completes the fourth quarter