China vows to fight US protectionism "at any cost"

China vows to fight US protectionism "at any cost"
- Trump and Chinese President Xi Jinping at a joint press conference in Beijing on November 8, 2017. Xu Jingxing China Daily .... By the end of 2017, mainland China's 165 urban rail transit lines across 34 cities had reached a combined length of 5,033 kilometres, the China ...