Shanghai Chengdi Xiangjiang Data Technology Co., Ltd. - Notice of the Candidate Announcement for the Winning Bid of the Fully Owned Subsidiary Project

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Securities name: Chengdi Xiangjiang Securities code: 603887 Announcement number: 2026-019

Shanghai Chengdi Xiangjiang Data Technology Co., Ltd.

Notice of the candidates for project bidding of wholly-owned subsidiary

The Board of Directors and all directors of the company guarantee that the content of this announcement does not contain any false records, misleading statements, or significant omissions, and assume legal responsibility for the authenticity, accuracy, and completeness of its content.

Important content reminder:

● This project is a joint bid: According to the joint venture agreement, Xiangjiang System Engineering Co., Ltd. (hereinafter referred to as “Xiangjiang System” or “subsidiary”) undertakes 99.13% of the contract workload, while Zhongtongfu Consulting Design Institute Co., Ltd. (hereinafter referred to as “Zhongtongfu”) undertakes 0.87% of the contract workload, with the final ratio subject to the formal contract signed.

● Not yet received the bidding notice: As of now, the project is still in the bidding announcement period, and there is still uncertainty regarding whether the bid will be confirmed.

● Not yet signed a formal contract: As of now, the wholly-owned subsidiary of the company has not signed a formal contract for this project, and the impact on the company will be based on the actual signed project contract.

March 17, 2026, China Mobile Procurement and Bidding Network (

1. Basic information of the bidding candidates

2. Project name: China Mobile Zhejiang Company 2026 Yangtze River Delta (Jiaxing) Data Center Phase II Electromechanical Engineering EPC General Contracting Procurement Project (Package 1)

3. Bidder: China Mobile Communications Group Zhejiang Co., Ltd., China Mobile Communications Group Co., Ltd. Zhejiang Branch

4. Announcement period: 3 days from the date of announcement, ending at 2026-03-20 19:00

5. Main information of the bidding candidates:

Lead member of the joint venture: Xiangjiang System Engineering Co., Ltd.

Members of the joint venture: Zhongtongfu Consulting Design Institute Co., Ltd.

5. Bid price (excluding tax, yuan): 404,557,685 yuan;

6. Other information that needs to be explained

1. Division of responsibilities: This bid is voluntarily formed by Xiangjiang System Engineering Co., Ltd. and Zhongtongfu Consulting Design Institute Co., Ltd.: Xiangjiang System Engineering Co., Ltd. and Zhongtongfu Consulting Design Institute Co., Ltd. (joint venture name) jointly participate, and according to the joint venture agreement, Xiangjiang System (lead member of the joint venture) is responsible for preparing the bidding documents and contract negotiation activities for this bidding project, representing the joint venture members in submitting and accepting relevant materials, information, and instructions, handling all related affairs, and being responsible for the main, organization, and coordination work during the contract implementation phase, as well as undertaking the construction of this project and all equipment and auxiliary materials, supply, transportation, quality assurance, installation, commissioning, acceptance, warranty, etc.; Zhongtongfu (joint venture member) is responsible for the design work of this project.

Contract workload ratio: Xiangjiang System undertakes 99.13% of the contract workload, Zhongtongfu undertakes 0.87% of the contract workload, with the final ratio subject to the final signed contract.

2. Basic information of the bidder

3. Basic information

(1) China Mobile Communications Group Zhejiang Co., Ltd.

Legal representative: Yang Jianyu

Unified social credit code: 91330000704200297U

Address: No. 19, Jiefang East Road, Hangzhou, Zhejiang Province

Business scope: Licensed projects: Basic telecommunications services; first-class value-added telecommunications services; second-class value-added telecommunications services; internet sales of food; food business (sales of prepackaged food); food business (projects that require approval according to law can only operate after approval by relevant departments, specific business projects are subject to the approval results). General projects: Manufacturing of mobile communication equipment; sales of mobile communication equipment; sales of network equipment; sales of electronic products; sales of Internet of Things devices; Internet sales (except for goods requiring permission); information system integration services; software development; artificial intelligence industry application system integration services; intelligent control system integration; computer system services; Internet security services; technical services, technical development, technical consulting, technical exchange, technical transfer, technical promotion; general equipment repair; sales of artificial intelligence hardware; sales agency; sales of optical communication equipment; software sales; sales of mobile terminal devices; sales of digital video monitoring systems; sales of audio equipment; sales of communication equipment; sales of satellite mobile communication terminals; sales of smart home consumer devices; sales of cloud computing equipment; sales of communication equipment; wholesale of computer software and hardware and auxiliary equipment; retail of computer software and hardware and auxiliary equipment; research and development of intelligent robots; repair of communication equipment; leasing of computers and communication equipment; advertising production; advertising release (not for radio stations, television stations, newspapers, and publishing units); advertising design and agency; information consulting services (excluding licensed information consulting services); information technology consulting services; consulting and planning services; marketing planning; ticket agency services; conference and exhibition services; education consulting services (excluding education and training activities subject to licensing and approval); socio-economic consulting services (excluding projects subject to approval, can operate independently with business license).

(2) China Mobile Communications Group Co., Ltd. Zhejiang Branch

Person in charge: Yang Jianyu

Unified social credit code: 913300006816873619

Address: 26th Floor, No. 19, Jiefang East Road, Hangzhou, Zhejiang Province

Business scope: Operating domestic and international mobile communication services (including mobile phone services, data services, multimedia services) within the scope of the parent company, system integration, roaming settlement, technical development, and technical services related to the above businesses; international Internet access services, IP telephone services, and other telecommunications and information services; business training, conference services; design, production of advertisements, and using owned media to publish advertisements.

2. Explanation of related relationships

There are no related relationships between the company, the controlling shareholder, and the actual controller with the bidder.

3. Impact on the company

As the lead member of the bidding joint venture, the wholly-owned subsidiary of the company is a candidate for the bid for the “China Mobile Zhejiang Company 2026 Yangtze River Delta (Jiaxing) Data Center Phase II Electromechanical Engineering EPC General Contracting Procurement Project (Package 1)”, but the bid has not yet been confirmed, and the impact on the company will be based on the actual signed project contract.

This matter is part of the company’s daily operations and will not adversely affect the independence of the company’s business.

4. Related risk reminders

Not yet received the bidding notice: As of now, the project is still in the bidding announcement period, and there is still uncertainty regarding whether the bid will be confirmed.

Not yet signed a formal contract: As of now, the wholly-owned subsidiary of the company has not signed a formal contract for this project, and the impact on the company will be based on the actual signed project contract.

The company will continue to pay attention to the progress of this matter and fulfill its information disclosure obligations in a timely manner, and investors are advised to pay attention to investment risks.

5. Documents for reference

6. Announcement of candidates for the “China Mobile Zhejiang Company 2026 Yangtze River Delta (Jiaxing) Data Center Phase II Electromechanical Engineering EPC General Contracting Procurement Project”;

7. “Joint Venture Agreement.”

This announcement is made.

Shanghai Chengdi Xiangjiang Data Technology Co., Ltd.

Board of Directors

March 18, 2026

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