In this digital age, there is a necessity to constantly upgrade the systems so as to remain relevant and increase efficiency. Legacy systems must be updated to bring them in line with changing realities.
Or, it may make more sense to locate closer to the source of raw materials. For various reasons, then, we have seen some global value chains become more simplified and a reversal of some of the fragmentation of manufactured products we saw 20 or 30 years ago. As a result, components are crossing fewer borders in the assembly process.