誉帆科技：公司自研的机器人专利技术集中在排水管网的检测、紫外光固化修复等用途和领域

Group 1 - The core viewpoint of the article is that Yufan Technology (001396) has developed proprietary robotic patent technologies focused on applications in drainage network inspection and ultraviolet light curing repair [1] Group 2 - The company actively engages with investors through interactive platforms to provide updates on its technological advancements [1] - The specific areas of technology development include drainage network detection and repair methods utilizing ultraviolet light [1]