Dear investor, hello. The Company has received the bid-winning notice for five bid sections of the Xizang Zabuye Salt Lake green integrated development 10,000-ton battery-grade lithium carbonate project from East China Engineering Science and Technology Co., Ltd., totaling RMB 273 million. The relevant contracts are currently being finalized and are expected to have a positive impact on the Company's performance in 2022 and beyond. Thank you for your attention, please be aware of the investment risks.

Dear investor, hello. For information on major bid-winning projects, please refer to the relevant announcements disclosed by the Company on CNINFO. Thank you for your attention.

Dear investor, hello. The Company has received the bid-winning notice from East China Engineering Science and Technology Co., Ltd. for five bid sections regarding Xizang Lithium Carbonate-Sodium Carbonate Recovery Nanofiltration System, First-stage Nanofiltration System, Nanofiltration Pretreatment System, Sodium Carbonate Recovery Nanofiltration System, and Multi-stage Nanofiltration System for the 10,000-ton battery-grade lithium carbonate project at the Xizang Zabuye Salt Lake green integrated development. The specific amount of the winning bid will be stipulated in the subsequent relevant contracts and is expected to have a positive impact on the performance in 2022 and beyond. Thank you for your attention, please be aware of the investment risks.

Dear investor, hello. The Company's main business focuses on providing comprehensive water treatment solutions, operational management, and equipment sales in the field of industrial wastewater deep treatment and wastewater resource recycling. The Company does not produce lithium batteries; however, its related technologies, equipment, etc., can be applied to lithium extraction projects. Thank you for your attention.

Dear investor, hello. As indicated on the bidding website, the Company has won the bids for all five bid sections of the project. The Company will strictly adhere to relevant laws, regulations and rules to promptly disclose significant matters that meet the disclosure standards. Thank you for your attention.

Dear investor, hello. The Company has not yet ventured into sodium battery business. In terms of hydrogen energy production, the Company offers solutions, equipment, and operation services for zero-discharge salt separation and other projects related to water treatment and resource reutilization. Collaborating enterprises include Baofeng Energy, Meijin Energy, and Huachang Chemical, among others, which are leading companies in the hydrogen energy industry.

Dear investor, hello. Please stay tuned for relevant information in the Company's regular reports and announcements. Thank you for your attention.

Dear investor, hello. Please stay tuned for relevant information in the Company's regular reports and announcements. Thank you for your attention.

Dear investor, hello. The Company has not conducted any on-site investor visits recently. Currently, the Company has received the bid-winning notification for five sections of the 10,000-ton battery-grade lithium carbonate project at the Zhabuye Salt Lake in Xizang sent by East China Engineering Science and Technology Co., Ltd. These five sections include East China Company–Xizang Lithium Carbonate–Lithium Deposition-Sodium Carbonate Recovery Nanofiltration System, Section I Nanofiltration System, Nanofiltration Pretreatment System, Sodium Carbonate Recovery Nanofiltration System, and Multi-stage Nanofiltration System. The specific amount of the project will be agreed upon in subsequent related contracts and is expected to have a positive impact on performance in 2022 and beyond. Thank you for your attention, please be aware of the investment risks.

Dear investor, hello. The implementation period of the recently awarded major projects does not fall within 2021, and is expected to have a certain impact on future performance. For specific details, please refer to the relevant announcement disclosed by the Company on CNINFO.

Dear investor, hello. The Company will strictly adhere to relevant laws and regulations to promptly disclose major events that meet information disclosure standards. Investors are welcomed to communicate with the Company by following the Company's WeChat official account or investor hotline, and email, etc. Thank you for your attention.

Dear investor, hello. The Company does not produce products such as phosphorus trichloride, phosphorus pentachloride, and chloromethane. The Company's main business focuses on water treatment and water resource reutilization, providing in-depth solutions, equipment, and operational services for industrially challenging wastewater and municipal sewage based on different regions and water qualities.