Humanoid robots could guide travelers and manage crowds at some Chinese border crossings after Shenzhen-based UBTech Robotics said it had won a multimillion-dollar contract to supply its latest models for a trial project.Humanoid robots could guide travelers and manage crowds at some Chinese border crossings after Shenzhen-based UBTech Robotics said it had won a multimillion-dollar contract to supply its latest models for a trial project.Robotics[#item_full_content]