According to the Kelda announcement, Hangzhou Kaiweili Sensor Technology Co., Ltd., a holding subsidiary of the company, recently received an invention patent certificate issued by the State Intellectual Property Office. The patent name is a semi-flexible sealed composite beam membrane island structure micro-nano device and its processing method, patent number ZL202610695414.3. The patent application date is May 20, 2026, July 24, 2026, and the patent period is 20 years. The patent is a reflection and extension of the company's sensor technology. It will not have a significant impact on the company's recent operations. It is conducive to improving the intellectual property protection system and enhancing core competitiveness.

According to the Kelda announcement, Hangzhou Kaiweili Sensor Technology Co., Ltd., a holding subsidiary of the company, recently received an invention patent certificate issued by the State Intellectual Property Office. The patent name is a semi-flexible sealed composite beam membrane island structure micro-nano device and its processing method, patent number ZL202610695414.3. The patent application date is May 20, 2026, July 24, 2026, and the patent period is 20 years. The patent is a reflection and extension of the company's sensor technology. It will not have a significant impact on the company's recent operations. It is conducive to improving the intellectual property protection system and enhancing core competitiveness.