The big selling point of armor isn't breakthrough, it is hardness and armor. If you can obtain immunity from enemy piercing, your division gets some really hefy benefits. LARM has significantly worse stats in both categories, with only slightly lower cost per brigade (the per-tank cost is a lot cheaper, but you need more tanks per LARM brigade, which offsets most of the cost).
If you are just planning to use these tanks in China isn't really able to effectively counter any tanks you bring to the field early in the war. The question is, however, if you wouldn't be better off building more planes or regular divisions instead.
If you are just planning to use these tanks in China isn't really able to effectively counter any tanks you bring to the field early in the war. The question is, however, if you wouldn't be better off building more planes or regular divisions instead.