It's Colonel Zhou Bo has been a constant in these types of security led events where he's often the lead Chinese representative to be asked about China's military and security matters. He's also the one who had a verbal spat with a chihuahua from the banana Republic of the PH calling China a barbaric state or words to that effect. Colonel Zhou perfectly placed that limp dick sniveling banana Pinoy in their place.Really impressed ngl. Well spoken by Chinese think tanker, (Retired) Senior Colonel in the PLA
He says there could be multiple ways China could contribute in the peace negotiations.
Could be in collective security guarantees to Ukraine (or Russia..).
Participate in peacekeeping operation (station peacekeeping troops I guess) he says that Russia for sure wouldn't accept NATO or European peacekeepers, but global south India or China could be acceptable
Could participate in post-war reconstruction of Ukraine
Finally he answers a question why China builds up it's nuclear arsenal. He says that NATO hasn't sent soldiers to fight Russia in Ukraine, but US is not afraid on not fighting China. Doesn't that mean that US is simply afraid of Russia's nukes and not of China's because of low number of nukes. Very clear answer
Would recommend everyone to watch the entire video
He (Zhou) also wrote an OP-ED piece at the NYT regarding the Russia-Ukraine War and where China stood and stands on that important Eurasian issue.
He also had memorable spats with Jai Hinds on CGTN regarding the Doklam incident of 2017 in which he pretty much told the always brave Jai Hinds:

