China agreeing to purchase 200 aircraft from Boeing is expected to bolster commercial ties between China and the United States, especially in the aviation sector, as industry analysts said the agreement represents a partial easing of strained industrial ties after nearly a decade. The Ministry of Commerce announced on Wednesday that China will purchase 200 Boeing aircraft "in accordance with its air transport development needs and on commercial principles", responding to a question regarding US President Donald Trump's recent remarks on the deal. An official from the ministry said that aviation is a key sector for mutually beneficial and win-win cooperation between the two countries. The US will also guarantee sufficient supplies of engines and spare parts for Chinese operators, according to a statement published on the ministry's website. The comments came days after Boeing said that it had made progress in reopening the Chinese market during Trump's state visit...