Just FYI, I'm not some super expert. I'm just was an 11A infantry officer.
These are CQC training. Training that I haven't seen China display are the more open ended exercises like STX lanes. Basically an entire company gets a briefing with limited intel and executes a mission. There's an opfor, comprised of another company. Sometimes it's combined arms. Once you're in the field, you're on your own for the next several hours or days. Only 5% of the mission is actually fighting and the rest is a test of leadership, organization and large amounts of improvisation. That's the reality of war.
Problem solving and improvisation to complete the objective is more important than any skill in war.