The US builds 2 nuclear attack submarines per year. China might have already increased production to 2.7 per year, and judging by the size of the new assembly halls at their Huludao factory, they might soon be building 5 per year or even more, depending on how much factory capacity they want to dedicate to SSBNs instead
The US builds about 156 F-35 single-engine stealth fighters per year, of which about 90 are intended for the US and the rest are for export. China builds about 100 heavy twin-engine J-20 stealth fighters per year and they are still expanding the factory at Chengdu that produces them
The US produces 6 E-2D Hawkeye AEW&C per year and no big ones (yet). It's uncertain how many KJ-500 AEW&C China produces however they're definitely producing a lot, there are a lot visible at the Shaanxi factory, and they're bigger than E-2D
According to latest SIPRI figures, China spends $292B on the military per year and the US spends $877B. Is the US allocating its money optimally? It seems to me these might be some of the most important weapons, should the US focus more on those?
China production numbers from SDF and picrel
US production numbers from here
https://s3.documentcloud.org/documents/23988146/navy-virginia-class-submarine-program-and-aukus-submarine-proposal-background-and-issues-for-congress-sept-11-2023.pdf (page 9)