When you have EMALS everything looks like a carrier
The real question, I suppose is how feasible this thing is as a concept, whether it's launched from land or from sea. Depending on the actual weight of the aircraft, the utility and significance of it might be relatively limited.
Given 076 is something like 260m long and the largest 24k TEU container ships are nearly 400m long, you could maybe convert one of the larger container ships so it could handle arrested landing too. Although question would be how modular you could make it.I would suppose that container ships equipped with UAVs and EMCAT trucks as seen on the Zhong Da 79 could actually serve as mobile forward bases that can provide rapid ISTAR capabilities for allied assets to conduct strikes against enemy ground targets. In this case, payload capacity may not emerge as much of a crucial factor.
Say, for example - Intelligence sources reported the existence of several HIMARS units at an area in Tainan or Kaohsiung. The weather over the target area (if not the wider region) is bad, and there are no friendly ISTAR platforms nearby at the moment, but strikes against these HIMARS are needed ASAP to minimize the chances of them conducting strikes against certain PLA assets located in Xiamen or Shantou. However, the closest available runway (i.e. Xiamen Airport, assuming runway has been made dual-use) to the area is at least 280 kilometers away.
Should one such container ship be situated ~100-150 kilometers off the target area, this would enable a XQ-58-counterpart UAV to reach that area in ≤10 minutes (by taking XQ-58's crusing speed of ~880 km/h) and provide critical ISTAR guidance for shore-based PHL-191 units or sea-based 054A FFGs/052D DDGs to enact strikes against these HIMARS. To reach that same area from the closest available runway would require about 19 minutes.
Sure, these two options only has a difference of about 9 minutes, which may not be that big. However, if the targets are located much farther away from the coastal regions of China (say, the eastern seaboard of Taiwan, the Ryukyu Islands or the SCS Islands) and there are no PLAN CVs or LHDs located nearby/available, then the difference in response time would certainly amplify.
Of course, this is just one of the possible scenarios where the EMCAT trucks launching containerized UAVs has their unique utility and importance. There is are also the conventional strike and close-support (for amphibious assault forces) functionalities which can be executed by such setups, among others.
In the meantime, considering that these EMCAT trucks can be joined together front-to-back to form a longer EMCAT track on the ship (instead of just a rocket-powered sled for the containerized XQ-58 variant) - Then nominally speaking, this setup could enable launching UAVs that are slightly/somewhat larger and heavier than the XQ-58.

As cartoonish as these claims are. I wonder, if there's actually any truth to them, if it was born as much out of a desire to further deter nuclear war and prevent the West from even contemplating it as the stated motive. As in, "even if we go that route, I'll still win and dominate you in the aftermath".They again reiterated the claim that the project's goal is intended for a post-apocalypse world. Shilao painted a story where in a Fallout-isk world, descendants of China might decide Darwin is a good place to have since it's a good harbour and not contaminated with fallout. But upon realising the natives might have a few working F/A-18 left they load the catapult trucks and CCAs onto the container ships.
As the trio mentioned Darwin and F/A-18s I suspect there must be an AAM option as well.I would suppose that container ships equipped with UAVs and EMCAT trucks as seen on the Zhong Da 79 could actually serve as mobile forward bases that can provide rapid ISTAR capabilities for allied assets to conduct strikes against enemy ground targets. In this case, payload capacity may not emerge as much of a crucial factor.
Say, for example - Intelligence sources reported the existence of several HIMARS units at an area in Tainan or Kaohsiung. The weather over the target area (if not the wider region) is bad, and there are no friendly ISTAR platforms nearby at the moment, but strikes against these HIMARS are needed ASAP to minimize the chances of them conducting strikes against certain PLA assets located in Xiamen or Shantou. However, the closest available runway (i.e. Xiamen Airport, assuming runway has been made dual-use) to the area is at least 280 kilometers away.
Should one such container ship be situated ~100-150 kilometers off the target area, this would enable a XQ-58-counterpart UAV to reach that area in ≤10 minutes (by taking XQ-58's crusing speed of ~880 km/h) and provide critical ISTAR guidance for shore-based PHL-191 units or sea-based 054A FFGs/052D DDGs to enact strikes against these HIMARS. To reach that same area from the closest available runway would require about 19 minutes.
Sure, these two options only has a difference of about 9 minutes, which may not be that big. However, if the targets are located much farther away from the coastal regions of China (say, the eastern seaboard of Taiwan, the Ryukyu Islands or the SCS Islands) and there are no PLAN CVs or LHDs located nearby/available, then the difference in response time would certainly amplify.
Of course, this is just one of the possible scenarios where the EMCAT trucks launching containerized UAVs has their unique utility and importance. There is are also the conventional strike and close-support (for amphibious assault forces) functionalities which can be executed by such setups, among others.
In the meantime, considering that these EMCAT trucks can be joined together front-to-back to form a longer EMCAT track on the ship (instead of just a rocket-powered sled for the containerized XQ-58 variant) - Then nominally speaking, this setup could enable launching UAVs that are slightly/somewhat larger and heavier than the XQ-58.