Group 1 - The core point of the article is that Yutong Optical (300790.SZ) confirmed its involvement in the supply chain for Tesla's robotaxi, specifically providing glass aspheric lenses for ADAS vehicle cameras, although there is no direct transaction with Tesla [2][3] Group 2 - Yutong Optical responded to an investor inquiry on an interactive platform regarding its products used in Tesla's robotaxi [2] - The company clarified that it supplies components to Tesla's supply chain manufacturers rather than directly to Tesla itself [2]