The sale of EHang's EH216-S flying taxi on Taobao is a significant development for the company, indicating progress in commercializing its products. This move is likely to generate positive investor sentiment, leading to an increase in stock price in the short term. The relevance of this news to EHang is direct and substantial, as it pertains to the company's core product and its strategy for market penetration. The importance is rated high due to the potential impact on revenue and market positioning. Confidence in this analysis is strong, based on the clear connection between product sales initiatives and investor reactions.