Announcement of Tender Evaluation Results Tender Number: HBDJ-202503QT-002001001 I. Tender Overview The expansion project of the existing fixed water quality automatic monitoring station monitoring equipment for Danjiangkou Reservoir issued a tender notice on the Hubei Province Electronic Tendering and Bidding Trading Platform on March 28, 2025. The tender was opened on April 24, 2025 in Danjiangkou Tender Opening Room 01 and the evaluation work was completed on April 24, 2025. According to the evaluation report submitted by the evaluation committee, the South to North Water Diversion Middle Route Water Source Co., Ltd. has confirmed the evaluation results and is now making the evaluation results public. 2、 First place, second place, third place in the evaluation results. Name of the winning bidder candidate: Wuxi Zhongke Water Quality and Environmental Technology Co., Ltd., Hubei Keyuan Environmental Testing Co., Ltd., Wuhan Baoyun Ecological Technology Co., Ltd. Bid price (RMB) 548000054006305213150 Quality (if any) Construction period (delivery period, service period) 454545 Project leader (if any) Name: Wang Zijian, Wang Yurong, Zhou Yanjie Certificate name///Certificate number///Qualification review materials (qualification and ability conditions) in the bidding documents can be found in the attachment below this announcement (if any). Third, the evaluation situation and evaluation information can be found in attachment 4 below this announcement. The publicity period is from April 26, 2025 to April 28, 2025 (Beijing time). 5、 If a bidder or other interested party has objections to the evaluation results, they shall raise them in writing to the tenderer within the public notice period of the evaluation results. The tenderer shall provide a written response within 3 days from the date of receiving the objections. Before giving a response, the bidding and tendering activities will be suspended. If the bidder or other interested parties still have objections to the response of the tenderer, they shall file a complaint with the industry regulatory department or the comprehensive supervision agency of public resource trading within 10 days from the date of receiving the response, presenting the tenderer's response and complaint letter. 6、 1. Bidder: South to North Water Diversion Middle Route Water Source Co., Ltd. Address: No. 553 Danjiang Avenue, Danjiangkou City Contact: Meiyuan Phone (fax): 193719911062. Bidding Agency: Dongfang Zhengbo Project Management Co., Ltd. Address: Room 2404, Fuhui International, Danjiang Avenue, Danjiangkou City Contact: Li Qiyan Phone (fax): 15098096200 3. Industry Authority: Yangtze River Water Resources Commission of the Ministry of Water Resources Address: No. 1863 Jiefang Avenue, Jiang'an District, Wuhan City, Hubei Province Contact: Yangtze River Water Resources Commission of the Ministry of Water Resources Phone (fax): 027-828281144. Comprehensive Regulatory Agency for Public Resource Trading: Development and Reform Bureau of Danjiangkou City Address: No. 93 Renmin Road, Danjiangkou City Contact: Development and Reform Bureau of Danjiangkou City Phone (fax) 0719-5223221 Remarks: Bidder/Bidding Agency: Dongfang Zhengbo Project Management Co., Ltd. (with official seal) April 25, 2025