Four Chinese groups are racing to build global satellite communications infrastructure to challenge the considerable head start made by US tech billionaire Elon Musk’s Starlink. The two leaders for China so far are the central-government-backed GuoWang and Shanghai-backed Qianfan. They have the most satellites in orbit and plans to eventually deploy more than 10,000 apiece. Carmaker Geely’s Geespace also has satellites in space. The fourth group, Hongqing Technology, 48 per cent owned by…