Public Participation Second Information Disclosure on the Environmental Impact Assessment of Kopper Chemical Industry Corp., Ltd.'s Technical Transformation Project for 18,000 tons of Special Chemicals per year

In accordance with relevant regulations such as the "Environmental Impact Assessment Law of the People's Republic of China" and the "Public Participation in Environmental Impact Assessment Measures", the following information regarding the environmental impact assessment of the Kopper Chemical Industry Corp., Ltd. annual output of 1.8 tens of thousands of tons of special chemical products technical transformation project is hereby announced for the second time.

I. Project Overview

1 Project Name

annual output of 1.8 Tens of thousands of tons of special chemical products technical transformation project

2 Project Overview

Construction unit: Kopper Chemical Industry Corp., Ltd.;

Construction location: Huazhong Avenue, Changshou District, Chongqing City 7 and Huazhong Avenue 8 and Huazhong Avenue 7 and Huazhong Avenue 8 are connected, all located within the Kopper Chemical Industry Corp., Ltd. factory area;

Construction nature: Expansion and renovation;

Project land area: The project is carried out within the Kopper Chemical Industry Corp., Ltd. factory area, and no new land is requisitioned. ；

Project investment: The total investment of the expansion and renovation project is 5000 ten thousand yuan, all of which is self-raised by the enterprise, including environmental protection investment of 300 ten thousand yuan, accounting for 6.0% 。

Construction content and scale: Utilizing existing factory buildings, the expansion and renovation of 3、4 the joint workshop is used for the production of aldoximes. The existing aldoxime intermediate production line will undergo technological transformation and equipment filling and replenishment to increase the production scale from 1500t/a to 4000t/a ; Expansion and renovation of 6、7、8 workshop for the production of ketoximes. The existing 2 ketoxime intermediate production lines will be merged into 1 production lines, and technological transformation and equipment filling and replenishment will be carried out to increase the production scale from 500t/a to 5000t/a ; By adjusting the production arrangement of the oxime metal extractant preparation production line of the existing product center, the production scale of oxime metal extractants will be increased from 5000t/a to 15000t/a ; In 6 workshop, a new 1 thiourea series production line will be built, with a production scale of 190t/a ; In 6 workshop, a new 1 lines NBTA production line, with a production scale of 60t/a ; In 6 workshop, a new 1 lines DBM production line, with a production scale of 90t/a ; In 8 workshop, a new 1 hydroxamic acid series production lines, with a production scale of 3000t/a。

II. Key Points of Environmental Impact Assessment Conclusion

Kopper Chemical Industry Corp., Ltd. annual output of 1.8 Tens of thousands of tons of special chemical products technical transformation project It conforms to the current national industrial policies, the Changshou District urban and rural construction plan, land use plan, and Changshou Economic Development Zone plan. The production technology and equipment adopted by the project are advanced, mature, and reliable, and meet the requirements of clean production; the pollution control measures adopted by the project are mature, reliable, and technically and economically feasible, and the emission of pollutants can meet national and industry standards, and the impact on the environmental quality of the evaluation area is not significant. The environmental risk impact of the project is within an acceptable level, and the risk prevention measures and emergency plan are practical and feasible. As long as the environmental protection countermeasures and measures proposed in the environmental impact report are strictly implemented, the "three simultaneous" system is strictly enforced, the emission of pollutants from the project is ensured to meet the standards, and the prevention measures and emergency plan for environmental risks are earnestly implemented, the construction of this project is feasible from the perspective of environmental protection. III. Network link to the full text of the draft environmental impact report, and methods and channels for reviewing the paper version of the report 。

III. Network link to the full text of the draft environmental impact report, and methods and channels for reviewing the paper version of the report

《 Kopper Chemical Industry Corp., Ltd. annual output of 1.8 Tens of thousands of tons of special chemical products technical transformation project Environmental Impact Report》（Draft for Comments）Full text network link: https://www.yunpan.com/surl_yzN6pA6A4qj

Methods and channels for reviewing the paper version of the report:

Construction unit: Kopper Chemical Industry Corp., Ltd.

Contact person: Mr. Liu

Contact number: 023-40717015

Address: Huazhong Avenue, Changshou Economic and Technological Development Zone, Chongqing City 7号

Environmental impact assessment unit: Chongqing Huanke Yuangboda Environmental Protection Technology Co., Ltd.

Contact person: Mr. Zhang

Telephone: 15923270539

Email: 414470399@ qq .com

Address: Yangtze River Business Center, Longshan Road 1, Longshan Street, Yubei District, Chongqing City 7 Floor

Postcode: 401147

IV. Public Scope for Soliciting Opinions

Kopper Chemical Industry Corp., Ltd. annual output of 1.8 Tens of thousands of tons of special chemical products technical transformation project Citizens, legal persons, and other organizations within the scope of the environmental impact assessment. Citizens, legal persons, and other organizations outside the scope of the environmental impact assessment are welcome to provide valuable opinions and suggestions, which we will also carefully consider.

Main matters: Please provide opinions on the reliability and feasibility of the engineering analysis, environmental status, environmental impact prediction, and evaluation conclusions in the report; in particular, please provide valuable opinions and suggestions on the rationality, feasibility, and effectiveness of the pollution control measures proposed in the report. If the public has other better constructive suggestions for the project, please put them forward in a timely manner. We will actively adopt them and express our sincere gratitude.

V. Network Link to Public Opinion Form

Network link to public opinion form: https://www.yunpan.com/surl_yzN6pA6A4qj

VI. Methods and Channels for Public to Submit Opinions

The public can submit the completed public opinion form, etc., to our company within the specified time through letters, faxes, emails, and on-site filling, to reflect opinions and suggestions related to the environmental impact of the construction project. When submitting opinions, the public should provide effective contact information. The public is encouraged to submit opinions using their real names and provide their permanent residential address.

VII. Start and End Time for Public to Submit Opinions

From the date of this information announcement 10 Within a few working days, the public can express their opinions and views on the project construction and environmental impact assessment work by sending letters, faxes, emails, on-site interviews, and filling out public opinion forms. Thank you for your participation!

Kopper Chemical Industry Corp., Ltd.

2025 Year 5 Month 16 Day