According to the Mona Lisa announcement, the company recently obtained an invention patent certificate issued by the State Intellectual Property Office. The patent name is a heat treatment method to improve the chemical corrosion resistance of polished ceramic tiles. The patent number is ZL202610525709.6. The patent application date is April 21, 2026, and the authorization announcement date is September 15, 2026. The invention patent is the result of the company's independent research and development. It will not have a significant impact on the company's current production and operation. It is conducive to improving the intellectual property system and enhancing core competitiveness.

According to the Mona Lisa announcement, the company recently obtained an invention patent certificate issued by the State Intellectual Property Office. The patent name is a heat treatment method to improve the chemical corrosion resistance of polished ceramic tiles. The patent number is ZL202610525709.6. The patent application date is April 21, 2026, and the authorization announcement date is September 15, 2026. The invention patent is the result of the company's independent research and development. It will not have a significant impact on the company's current production and operation. It is conducive to improving the intellectual property system and enhancing core competitiveness.