Chinese carmakers, which are increasingly deploying robots in factories, are now moving into humanoid robotics following US rival Tesla despite a warning from Beijing about a potential investment bubble. State-owned Changan Automobile has become the latest entrant into the sector. The Shenzhen-listed company planned to invest 225 million yuan (US$31.8 million) for a 50 per cent stake in Changan Tianshu Intelligent Robotics Technology, according to an exchange filing on Friday. The company...