China's UBTech has started world's first mass delivery of humanoid robots. Hundreds of Walker S2 robots are being deployed directly into real factories. These humanoids mimic human motion with advanced joints and precise finger control. A key feature is autonomous battery-swapping, enabling nonstop 24/7 operation. Massive demand this year brings UBTECH orders worth nearly 800 million yuan. Major customers include top automakers and electronics manufacturers. READ ALSO:...