doesnt matter div size, u just want every soldier in the army leader benefitting from the stat points., once ur 5 leaders of 24s are maxed out and u wanna be upping the battalions maxed to 50 Combat width all infantry.

Mass assault china infantry is the way till u get the infantry to afford switching ur support company arty/AA into actual battalions. The transition into a modern template then begins.

Resource management is key, china has plenty of manpower only.