According to Helen's announcement, the company's holding subsidiary and Andun recently received invention patent certificates issued by the British and Italian Intellectual Property Offices, which are “highly insulating, low-corrosive hot aerosol fire extinguishing agents and preparation methods”, respectively. The patent application dates are September 20, 2023 and May 4, 2023, respectively, and the licensing dates are July 8, 2026 and July 29, 2026, respectively. Currently, the patent has not been applied to the product. It is not expected to have a significant impact on short-term performance, but it will help improve the intellectual property protection system.

According to Helen's announcement, the company's holding subsidiary and Andun recently received invention patent certificates issued by the British and Italian Intellectual Property Offices, which are “highly insulating, low-corrosive hot aerosol fire extinguishing agents and preparation methods”, respectively. The patent application dates are September 20, 2023 and May 4, 2023, respectively, and the licensing dates are July 8, 2026 and July 29, 2026, respectively. Currently, the patent has not been applied to the product. It is not expected to have a significant impact on short-term performance, but it will help improve the intellectual property protection system.