A Boeing jet intended for a Chinese airline landed back at the planemaker’s US production hub on Sunday, a victim of the tit-for-tat bilateral tariffs launched by Donald Trump. The 737 MAX, which was meant for China’s Xiamen Airlines, landed at Seattle’s Boeing Field at 6.11pm, according to a Reuters witness. It was painted with Xiamen livery. The jet, which made refuelling stops in Guam and Hawaii on its 5,000-mile (8,000-km) return journey, was one of several 737 MAX jets – Boeing’s bestselling model – that had been waiting at…