Vietnam should invest much billion dollars repurchase 100% technology (consist: engine, gear, armor, autocannon, shell,
ballistic computer, cross-wind sensor, stabilising system, laser range finder, gunner's sight/guidance device, IR searchlight ,commander has a combined optical sight, a day/night vision device, fire control system, targeting system with thermal imaging camera ,thermal imaging camera,radiation and chemical agent detector, filtration system, smoke launcher, gunner's sight, commander's panoramic thermal imaging device, vertical-storage conveyor, autoloader, sighting system) for can manufacturing BMP-3F in Vietnam, in the future.