From November 14 to 16, 2024, research assistants Luo Yanyan, Wang Pei and He Yinan of the Institute of New Concept Sensors and Molecular Materials participated in the 26th China High-tech Fair held in Shenzhen with new concept portable benzene series detector, breathable and impermeable inner phase structure adjustable polymer membrane material and broadband low loss dielectric gradient material and preparation technologies, and carried out on-site technical explanation and promotion.