Patent Infringement Statement and Supplementary Patent Licensing Agreement

On March 13, 2026, considering that listed companies, major internet corporations, and home appliance giants have used our company's patents without permission: "Sponge City Invisible Moat Technology" and "Surface Drainage Anti-Vibration Technology". According to the national patent law, unauthorized construction and use of patented technology constitute patent infringement. Infringing companies may face huge claims and reputational damage.

For infringing companies, our company specially offers patent licensing services, allowing for the supplementary signing of patent license use contracts with a patent usage license not exceeding 10 million yuan.