“Nuclear-weapon states should negotiate and conclude a treaty on no-first-use of nuclear weapons against each other or make a political statement in this regard,” Sun said.
China and India are currently the only two nuclear powers to formally maintain a no first use policy. Russia and the United States have the world’s biggest nuclear arsenals.
It’s not hypocritical for China to ask US and Russia to do something that they have already done. You can question the usefulness of such agreements but you can’t, without being a obsequious sycophant, call that hypocritical