Dear investor, hello. The Company does not produce phosphorus pentachloride. 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.

Dear investor, hello. Thank you for your suggestion and attention.

Dear investor, hello. The zero-discharge salt separation technology for high-salinity water in the Company is composed of unit operations such as physics, chemistry, membrane separation, and evaporation crystallization. These unit operations, when combined and customized, can be used for lithium extraction projects. Currently, the Company does not have any existing orders for salt lake lithium extraction. Investors are advised to make rational investment decisions and be aware of investment risks.

Dear investor, hello. The Company has not yet ventured into the nuclear-contaminated water treatment.

Dear investor, hello. The Company has not yet formed any project contracts related to extracting lithium from salt lakes, and we appreciate your attention.

Dear investor, hello. The Company has engaged with the relevant regulatory authorities for reporting purposes, and we thank you for your attention.

Dear investor, hello. The Company will further investigate and take appropriate measures regarding the matter. We appreciate your suggestions and attention.

Dear investor, hello. The Company currently has no related plans, and we appreciate your attention.

Dear investor, hello. The Company will continue to monitor the lithium extraction market development based on market dynamics. Thank you for your attention.

Dear investor, hello. The Company has not conducted calculations related to this matter.

Dear investor, hello. Leveraging its technological advantages, the Company can undertake water treatment and resource recycling business across various industries and regions with different water qualities. The primary serviced industries include petrochemicals, coal chemicals, power generation, lithium-ion batteries, hydrogen energy, traditional and new energy industries, as well as textiles and municipal sectors.

Dear investor, hello. The Company has not conducted research related to this matter.