Illustration of a modular rocket fleet sharing technological and production investments across several scales and formats (eg propulsion). Smart synergy. Note that such a strategy might be valuable to others, as space mission needs are much more diversified than they used to be https://twitter.com/NamusLake/status/1228643685618900992 …
It depends - changes from the original plans a decade ago makes the new Chinese rocket fleet quite a bit less modular than it should have been.