A small crowd has gathered around Ms Feng Zhulin's stall at the Smart China Expo in Chongqing, craning their necks to catch a glimpse of the spherical object she is holding aloft.
It is a robot called Zhiban. Questions about the volleyball-size machine come quickly.
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A version of this article appeared in the print edition of The Straits Times on September 25, 2018, with the headline China's robot revolution, at your service. Subscribe