Qinglong Pipe Industry Group Co., Ltd. Announcement on Signing a Sales Contract

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Stock code: 002457 Stock name: Qinglong Pipeline Industry Announcement No.: 2026-010

Qinglong Pipeline Industry Group Co., Ltd.

Announcement on the Signing of a Sales Contract

Our company and all members of the Board of Directors guarantee that the content of the information disclosure is true, accurate, and complete, without false records, misleading statements, or major omissions.

Special reminders:

1. During the execution of the contract, there may be adverse factors such as rising prices of raw and auxiliary materials and increased labor costs, which may impact the company’s contract performance revenue.

2. The contract amount is relatively large, and the contract adopts an installment payment method, therefore, there is a risk of not being able to recover part of the contract payment in a timely manner.

3. If design changes occur during the implementation of the contract or if affected by force majeure, there is a possibility of not being able to fully perform or delay performance.

Recently, Qinglong Pipeline Industry Group Co., Ltd. (hereinafter referred to as “the Company”) has received a “Procurement Contract” signed with Shanghai Electric Wind Power Group Co., Ltd. for the Ningxia Pengyang and Tongxin projects (mixed tower pipe procurement project), the main details of the contract are as follows:

I. Overview of Contract Signing

Party A: Shanghai Electric Wind Power Group Co., Ltd.

Party B: Qinglong Pipeline Industry Group Co., Ltd.

Project Name: Ningxia Pengyang and Tongxin projects (mixed tower pipe procurement project)

Contract Scope: Mixed tower pipes

Supply Period: Delivered in multiple batches, specific delivery schedule subject to written notice from Party A

Contract Amount: 54,358,607.85 yuan (Fifty-four million three hundred fifty-eight thousand six hundred seven yuan and eighty-five cents)

II. Introduction of the Counterparty

1. Company Name: Shanghai Electric Wind Power Group Co., Ltd.

Unified Social Credit Code: 91310112792759719A

Type: Joint-stock company (listed, state-controlled)

Address: 115 Caobao Road, Xuhui District, Shanghai

Registered Capital: 1,333,333.34 thousand yuan

Legal Representative: Qiao Yinping

Established Date: September 7, 2006

Business Scope: Design, development, manufacturing and sales of wind power generation equipment and components, installation, debugging, maintenance, repair of wind power generation equipment, technical development, technology transfer, technical consulting, technical services in the field of electric power engineering and wind power generation technology, investment consulting (excluding brokerage), investment management, engaged in import and export business of goods and technology, industrial investment, electromechanical installation construction projects, electric power engineering construction, and housing construction projects (projects that require approval according to law may only be carried out after approval by relevant departments)

2. The company has no related party relationship with the buyer.

3. In the last three fiscal years, the company has not engaged in similar business with the buyer.

4. The customer has a good credit situation and has strong contract performance capability.

III. Main Content of the Contract

1. Contracting Parties

Party A: Shanghai Electric Wind Power Group Co., Ltd.

Party B: Qinglong Pipeline Industry Group Co., Ltd.

2. Contract Scope

Mixed tower pipes.

3. Contract Price and Payment

Total price including tax (in RMB) written out: Fifty-four million three hundred fifty-eight thousand six hundred seven yuan and eighty-five cents (54,358,607.85 yuan). The contract price is a fixed total price within the scope of supply agreed in this contract, and except for adjustments explicitly stated in this contract, the total price of this signed contract shall not be adjusted under any other circumstances.

Payment Method: Payments will be made in installments according to the prepayment, material payment, arrival payment, completion payment, and warranty payment stages.

4. Delivery Location, Method, and Time

4.1 Delivery Location and Method: Party B delivers to the address designated by Party A, with truck delivery and Party A responsible for unloading. The designated delivery address by Party A is at each machine point of the Ningxia Pengyang and Tongxin projects.

4.2 Delivery Time: Delivered in multiple batches, specific delivery schedule subject to written notice from Party A.

5. Breach of Contract Liability

5.1 Except for force majeure or at the request of Party A, if Party B fails to deliver the products or related documents and materials on time as agreed in this contract, Party B shall pay a penalty for delayed performance according to the proportion agreed in the contract. Payment of the penalty does not exempt Party B from its responsibility to continue delivering products and fulfilling related obligations.

5.2 If Party B refuses to deliver or clearly states that it cannot deliver by the deadline, Party B shall pay a penalty according to the proportion agreed in the contract.

5.3 If Party B refuses or clearly states that it cannot deliver, or if Party B delays performance for more than three weeks or the delay causes Party A’s contractual purpose to be unable to be achieved, then without affecting and damaging Party A’s right to require Party B to pay penalties according to the provisions of this contract and other rights stipulated by laws and regulations or this contract, Party A has the right to unilaterally terminate this contract and purchase substitutes from a third party, and require Party B to bear all product payments that Party A pays to that third party for the products.

5.4 If Party A discovers that the product quality does not conform to the provisions of this contract, or the product is confirmed to have any defects or potential defects caused by any reason, or the product’s production used improper materials, Party B shall pay Party A a penalty for quality defects according to the proportion stipulated in the procurement contract. In addition, Party A has the right to require Party B to repair, replace, or take other measures to resolve the product quality issues.

6. Applicable Law and Dispute Resolution

The signing, validity, interpretation, performance, and dispute resolution of this contract shall be governed by the laws of the People’s Republic of China. Any disputes related to or arising from this contract shall be resolved through negotiation between the two parties. If the two parties fail to resolve the dispute through friendly negotiation, such disputes shall be submitted to the court at the location of Party A for litigation. Unless otherwise determined by the jurisdictional court, the losing party shall bear the litigation costs.

7. Contract Text and Effectiveness

This contract shall take effect upon the signatures of the authorized representatives of both parties and/or the seals of both parties, and shall terminate on the date when the rights and obligations under this contract are fully performed. This contract is made in four copies, with each party holding two copies, and all texts have equal legal effect.

IV. Impact of the Contract on Company Performance

1. The total amount of the contract is 54,358,607.85 yuan, accounting for 1.93% of the company’s audited total revenue for the year 2024.

2. The company has sufficient funds, and personnel, technology, and production capacity can meet production needs, capable of fulfilling this contract.

3. The performance of the contract is expected to have a certain impact on the company’s performance from 2026 to 2027.

4. The products specified in the contract are consistent with the company’s existing main business, and the fulfillment of the contract does not affect the company’s business independence. The company’s main business does not rely on the owner due to the performance of this contract.

V. Risk Warning

1. During the execution of the contract, there may be adverse factors such as rising prices of raw and auxiliary materials and increased labor costs, which may impact the company’s contract performance revenue.

2. The contract amount is relatively large, and the contract adopts an installment payment method, therefore, there is a risk of not being able to recover part of the contract payment in a timely manner.

3. If design changes occur during the implementation of the contract or if affected by force majeure, there is a possibility of not being able to fully perform or delay performance.

VI. Documents for Reference

“Procurement Contract”

This announcement is hereby made.

Board of Directors of Qinglong Pipeline Industry Group Co., Ltd.

March 17, 2026

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