汉缆股份：碳纳米填充的发泡电缆铜导体是科研人员所做的探索性研究，未形成批量化的产品

Group 1 - The company announced that its buffer layer ablation repair technology has passed technical appraisal organized by the China Electrical Engineering Society and has been implemented in high voltage cable line repairs in Xiamen, Beijing, and Jining, Shandong [1] - The high voltage and ultra-high voltage cable system lifecycle detection service platform project is still under construction [1] - The carbon nano-filled foamed cable copper conductor is an exploratory research project by the company's researchers and has not yet been mass-produced [1] Group 2 - An investor raised concerns on the investor interaction platform regarding the market's lack of recognition for the company's buffer layer ablation repair technology and lifecycle system, despite being internationally advanced [3] - The investor inquired about the timeline for the market availability of the carbon nano-filled foamed cable copper conductor and its advantages over traditional cables [3]