It'll be interesting to see where these more compact SSN sit in relation to large scale SSNs and current SSKs with regards to cost.
If they're overly expensive it would be reasonable to just construct larger and more capable SSNs instead, but I cannot imagine that they're as low cost as current SSKs. So it will be fascinating to watch the reasoning for this move to emerge over the years. Because so far modern SSKs are perfect for the litoral operations and operations within the first island chain, which are important mission profiles for China. But I can imagine that the PLAN high command pushes for more a submarine force that is more focused on the second and third island chain, as well as warfare in the larger pacific and possible global patrols.