Before 1955, the Chinese didn't have "ranks", it was more of a job thing. The other place where this concept appeared in the PG-verse was with the Austrian Schutzbund. Rather than a lieutenant, there is a platoon leader, Comrade Platoon Leader amongst them.
... More and more, people around the world are coming to realize that the world is flat!
I suggest that if you use the Chinese words for rank that you have something on the counters to distinguish the ranks like was done for the leaders in 1967: Sword of Israel.
If you guys want to get Chosin Reservoir into the current production run for the Korean War material, then more orders for it need to be placed, or it will have to wait longer, according to AP.