Group 1 - The core viewpoint of the article is that the CEO of UBTECH, Zhou Jian, has voluntarily committed not to sell his personal holdings of approximately 70.5744 million H-shares, which represent about 14% of the total share capital, for a period of 12 months starting from December 29 this year, indicating his long-term commitment and optimistic outlook on the company's humanoid robot business [1] - Citigroup has valued UBTECH using a price-to-sales ratio, predicting a 23 times price-to-sales ratio for 2026, and has set a target price of HKD 155, rating the stock as "Buy" [1] - Citigroup anticipates that other key management and shareholders will issue similar announcements before or on the day the latest lock-up period expires, aiming to alleviate market concerns regarding potential selling pressure on the stock price [1] Group 2 - Citigroup maintains a positive outlook on the Chinese humanoid robot supply chain [1]