Jiangsu Jiangshun Precision Technology Group Co., Ltd. Stock Trading Abnormal Fluctuation Announcement

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Stock code: 001400 Stock abbreviation: Jiangshun Technology Announcement No.: 2026-006

Jiangsu Jiangshun Precision Technology Group Co., Ltd.

Announcement on Abnormal Fluctuations in Stock Trading

The Company and all members of its board of directors hereby guarantee that the information disclosed is true, accurate, and complete, and that there are no false records, misleading statements, or material omissions.

Key Points:

1. Jiangsu Jiangshun Precision Technology Group Co., Ltd. (hereinafter referred to as the “Company”) has experienced relatively large fluctuations in its stock price in the short term, and there is a divergence from its performance. The Company’s latest trailing price-to-earnings ratio and price-to-book ratio are significantly higher than the industry average. In the future, there may be risks of rapid declines in the stock price. As of April 1, 2026, according to the latest data from China Securities Index Co., Ltd., the Company’s latest trailing price-to-earnings ratio is 97.31x, and its price-to-book ratio is 8.78x. For the industry classification under the China Association of listed companies (CSRC?) “Special Equipment Manufacturing (C35),” the industry’s trailing price-to-earnings ratio is 38.95x and price-to-book ratio is 3.80x. For the industry classification under the China Association of listed companies (CSRC?) “General Equipment Manufacturing (C34),” the industry’s trailing price-to-earnings ratio is 42.50x and price-to-book ratio is 3.60x. The Company’s current trailing price-to-earnings ratio and price-to-book ratio are already significantly higher than the average level of comparable companies in the same industry. The Company’s share price has risen continuously in the short term, which may indicate overheating in market sentiment and irrational speculation. There is a risk of a sharp decline at any time. Please urge the general investing public to pay attention to the risks of trading in the secondary market, make rational decisions, and invest prudently.

2. At present, the Company has no sales of data center liquid-cooling plate products domestically or overseas, and therefore has no related operating revenue. The Company has not sent data center liquid-cooling plate samples to any overseas company, has not accepted visits by any overseas company, and has not had contact with any overseas customers. At present, the Company has no products of pure aluminum plates for data centers, and therefore has no related operating revenue. Please urge the general investing public to make cautious decisions and pay attention to investment risks.

3. One of the Company’s principal businesses is aluminum profile extrusion molds and accessories products. The downstream applications face aluminum profile manufacturers and are not directly used in the aerospace field; the proportion and amount of indirect applications to aerospace products are extremely small. A relatively small portion of the Company’s products are indirectly applied to the aerospace field. In 2025, operating revenue was only approximately RMB 6.30 million. It is expected that the impact on the Company’s total operating revenue for 2025 will be less than 0.70% (the above data are unaudited), representing a very low proportion and having no material impact on the Company’s operating performance. Among them, the operating revenue for products indirectly applied to the commercial aerospace sector in 2025 was only about RMB 0.25 million (the above data are unaudited), accounting for a very low proportion. Please urge the general investing public to make cautious decisions and pay attention to investment risks.

4. The Company’s 3D printing business is still in the investment stage and has not yet formed sales revenue. The Company’s controlling subsidiary, Jiangyu Technology (Jiangyin) Co., Ltd. (hereinafter referred to as “Jiangyu Technology”), was established on September 19, 2025, with a registered capital of only RMB 3.00 million, and the Company holds a 75% equity interest. Jiangyu Technology’s principal business covers 3D printing services, metal surface treatment, and heat treatment processing, among others. Jiangyu Technology’s 3D printing business has not yet formed sales revenue. Please urge the general investing public to make cautious decisions and pay attention to investment risks.

5. Risk of performance decline: In the first three quarters of 2025, the net profit attributable to shareholders of the listed company was RMB 65.45 million, down 40.15% year-on-year. The Company will disclose its “2025 Annual Report” on April 28, 2026. At present, it is carrying out audit-related work for 2025. The specific financial data will be disclosed in detail in the “2025 Annual Report.” Please urge the general investing public to pay attention to the risk of performance decline.

I. Specific circumstances of abnormal fluctuations in stock trading

Within three consecutive trading days of the Company’s stock (March 30, 2026, March 31, 2026, and April 1, 2026), the cumulative closing price increase deviation value exceeded 20%. According to the relevant provisions of the “Trading Rules of Shenzhen Stock Exchange” (SZSE), this falls under abnormal fluctuations in stock trading.

II. Matters the Company has focused on and verified

With regard to the abnormal fluctuations in the Company’s stock trading, the Company conducted a review of relevant matters and carried out written verification with its controlling shareholder and actual controller. The details are as follows:

1. There are no items in the information previously disclosed by the Company that require correction or supplementation.

2. The Company has not found any unpublished material information in recent public media reports that may or has already had a significant impact on the Company’s stock trading price.

3. The Company’s production and operations are normal, and there has been no material change in the internal and external business environment.

4. The Company and its controlling shareholder and actual controller have no material matters that should be disclosed but have not been disclosed, and there are no other material matters at the planning stage.

5. During the period of abnormal fluctuations in the Company’s stock trading, there have been no instances where the controlling shareholder, the actual controller, and their concerted action parties bought or sold the Company’s shares.

III. Explanation that there is no information that should be disclosed but has not been disclosed

The board of directors of the Company confirms that as of now, the Company has no matters that should be disclosed but have not been disclosed in accordance with relevant provisions such as the “Stock Listing Rules of the Shenzhen Stock Exchange,” nor any plans, discussions, intentions, agreements, etc. related to that matter. The board of directors has also not learned that the Company has any information that should be disclosed but has not been disclosed in accordance with relevant provisions such as the “Stock Listing Rules of the Shenzhen Stock Exchange,” which would have a significant impact on the trading price of the Company’s shares and their derivative instruments; and the information previously disclosed by the Company has no items that require correction or supplementation.

IV. Risk warnings the Company deems necessary

1. After self-inspection, the Company does not have any circumstances that violate fair information disclosure.

2. The board of directors of the Company solemnly reminds the investing public: “China Securities Journal,” “Securities Times,” “Securities Daily,” “Shanghai Securities News,” and Juchao Information Website (

V. Reference documents

1. The Company’s inquiry letter to its controlling shareholder and actual controller and the reply.

This announcement is hereby made.

Board of Directors of Jiangsu Jiangshun Precision Technology Group Co., Ltd.

April 2, 2026

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