China does not work like the US, the US allows and encourages partners to build significant portions of the infrastructure. Part of Orion is built by the ESA.

China would need to find a whole new way of doing things. And Russia would need to largely self finance. Nauka was mostly built and took them decades.

We will see how ambitious both are once metal starts getting cut.

Same as with all the new space startups. I will believe it when I see the hardware being fabricated.