Iran has oil to sell. China wants to buy it. That's called "An act of aggression against free people everywhere.
"Sanctions" are really a form of blockade, which is an act of war. Real people can't get the food and medicine they need. Millions of people are dying around the world because of US "sanctions". They are just as dead as if we had dropped bombs on them.
China is telling America to cut the crap.
“The US has neglected the legitimate rights of all countries and arbitrarily applies sanctions; this is a violation of international law,” Hua Chuying