A week after the President said that "while I greatly appreciate the efforts of President Xi & China to help with North Korea, it has not worked out. At least I know China tried!"

And China responded that:

China has "played an important and constructive role" in seeking peace on the Korean peninsula, Foreign Ministry spokesman Geng Shuang told reporters in Beijing.

China strictly implements United Nations Security Council resolutions and isn't the crux of the North Korean issue, he said.

Reuters reports that China National Petroleum Corp has suspended sales of fuel to North Korea over concerns the state-owned oil company won't get paid, as pressure mounts on Pyongyang to rein in its nuclear and missile programmes, three sources told Reuters.