Core Viewpoint - UBTECH Robotics (09880) shares rose nearly 4%, currently up 3.77% at HKD 115.7, with a trading volume of HKD 546 million [1] Group 1: Company Developments - On December 10, UBTECH announced a sales contract for humanoid robots with a leading domestic AI large model company, with a total value exceeding RMB 50 million [1] - The contract primarily involves the Walker S2, the world's first industrial humanoid robot with autonomous battery swapping, which is expected to be delivered within this year [1] - In mid-November, the Walker S2 began mass production and delivery, with the first batch of hundreds of units already deployed in key sectors such as automotive manufacturing, smart manufacturing, intelligent logistics, and embodied intelligent data centers [1] Group 2: Production and Delivery Metrics - The current production capacity of the Walker S2 exceeds 300 units per month, with an expected total delivery volume of over 500 units for the year [1]