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To put it bluntly, China's aerospace industry already had a preliminary universal and standardized prototype.
How important this is has been proven countless times in history.
Take for example the tank development systems of the Union and the West; the biggest difference lies in the degree of universalization and standardization of parts.
If the West needs a new tank, designers will search the market for mature engines, gearboxes, and various other parts, combining them and then optimizing and designing in depth.
Union tank designers, however, first set the basic technical requirements for the tanks, and then demand various machine factories to provide parts that meet the standards. If there are none, they have to start special research and development projects.
