Chinese robotics developers showcased their products at an exhibition in Guangzhou this week, as the market began to look like the country’s electric vehicle industry a few years ago when hundreds of players battled for survival. Many of the firms at the Guangzhou International Intelligent Robot Exhibition, a three-day event with 800 exhibitors, have plans to achieve large-scale production this year, with many feeling upbeat after the US slashed tariffs as part of an agreement between Beijing...