Anhui Jiangnan Chemical Industry Co.Ltd(002226) : announcement that the digital electronic detonator scientific research project of the holding subsidiary has obtained the appraisal certificate of scientific and technological achievements of the Ministry of industry and information technology

Securities code: 002226 securities abbreviation: Anhui Jiangnan Chemical Industry Co.Ltd(002226) Announcement No.: 2022-003 Anhui Jiangnan Chemical Industry Co.Ltd(002226)

About the acquisition of the digital electronic detonator scientific research project of the holding subsidiary

Announcement on the appraisal certificate of scientific and technological achievements of the Ministry of industry and information technology

The company and all members of the board of directors guarantee that the contents of the announcement are true, accurate and complete without false records, misleading statements or major omissions.

The scientific and technological achievements jointly developed by Guangxi jinjianhua civil blasting equipment Co., Ltd. (hereinafter referred to as “Guangxi jinjianhua”), a holding subsidiary of Anhui Jiangnan Chemical Industry Co.Ltd(002226) (hereinafter referred to as “the company”), and relevant units have recently received three scientific and technological achievement appraisal certificates issued by the Ministry of industry and information technology. The details are as follows:

Tissue identification

Certificate No. achievement name appraisal form appraisal approval date unit

Gongxin Jianzi bit – Ⅱ Industrial

Digital electronic detonator industry Hexin January 19, 2022 [2021] 06th unmanned intelligent assembly Conference

Distribution line process information and Chemical Department

No. 1 technology and equipment

Beijing University of technology, Guangxi jinjianhua civil blasting equipment Co., Ltd. and Beijing Kaikai completion unit

Mimec Technology Co., Ltd

Gongxin Jianzi km – Ⅱ type reinforcement

Industrial Hexin January 19, 2022 [2021] No. 08 electronic ignition yuan Conference

Daily technical information and Chemical Department

number

Completed by Beijing University of technology, Beijing Kemi Mike Technology Co., Ltd. and Guangxi jinjianhuamin

Xindongyuan (Guangzhou) Technology Co., Ltd

Gongxin Jianzi

High performance industrial power industry Hexin January 19, 2022 [2021] 09th sub detonator Technical Conference

Information and chemical department day

number

Completed by: Beijing University of technology, Guangxi jinjianhua civil blasting equipment Co., Ltd., core dynamic element

(Guangzhou) Technology Co., Ltd., Beijing Kemi Mike Technology Co., Ltd

The above “BIT- II industrial digital electronic detonator unmanned intelligent assembly line technology and equipment” has been appraise by the Ministry of industry and information technology appraisal committee. It is considered that the research results of this project are innovative and advanced. The overall technology of multi unit assembly Siasun Robot&Automation Co.Ltd(300024) combined production mode has reached the international advanced level, and the results are agreed through scientific and technological achievements. “KM- II enhanced electronic igniter technology” is innovative and advanced, and its overall technology has reached the international advanced level. It has agreed to identify by scientific and technological achievements. The research results of “high performance industrial electronic detonator technology” are innovative and advanced, and the overall technology has reached the international advanced level, and the results are agreed through scientific and technological achievements.

The achievement of the above three scientific and technological achievements enhances the performance index and technical level of the company’s digital electronic detonator products, and is conducive to improving the company’s innovation ability and core competitiveness. Please pay attention to the investors and pay attention to the investment risks.

It is hereby announced

Anhui Jiangnan Chemical Industry Co.Ltd(002226) board of directors February 21, 2002

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