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.

Dear investor: Hello! After verification, the definition of the lithium extraction concept will depend on whether the listed company has engaged in related business activities. Thank you for your attention.

Dear investor: Hello! The Company's core business focuses on wastewater resource recycling and advanced water treatment. The Company's technology for achieving standard emissions of phenol and salt-containing wastewater has been successfully applied in the Tianjin Zhongsha BOT project, reducing the cost of treating one ton of water by 70%. It is the first stable operation of a high-salinity phenol-containing wastewater treatment system in the country.

Dear investor: Hello! The purity of the sodium carbonate extracted by the Company can reach above 99%, but no research has been conducted on its application in carbon-based materials. Thank you for your attention.

Dear investor: Hello! The Company's main business focuses on sewage resource utilization and advanced water treatment. Key companies in the same industry include Juwu Hi-Tech, Sunresin, Shanghai Emperor of Cleaning Hi-tech, and Suntar, among others. Currently, most enterprises have a broad business scope with strong comprehensive capabilities, but each company has different business focuses, leading to differences in relative competitive advantages in the industry chain. In terms of business, the Company's main competitive advantage lies in the 128 patents, showcasing the strong independent research and innovation capabilities. Moreover, the expertise of key technical personnel with 35 years of industry experience has shaped a comprehensive, integrated service capability. Various honors and notable achievements have fostered a positive brand image.

Dear investor: Hello! The Company currently holds 30 invention patents and 95 utility model patents. Thank you for your suggestion.

Dear investor: Hello! The Company focuses on providing solutions, equipment, and operational services for zero-discharge salt separation projects and other related projects in the hydrogen energy production sector, centered around water treatment and water resource recycling. For specific service details, please refer to the Company's prospectus and related announcements disclosed on CNINFO. Investors are advised to make rational investment decisions and be aware of investment risks.

Dear investor: Hello! The Company's 2021 Interim Report will be announced on August 28, 2021, in designated disclosure media. Please stay tuned.