CFR1000 China's 4th generation sodium-cooled fast reactor preliminary design has completed. construction can start anytime. with target date is 2029.BN-1200M and BREST-OD-300 reactors currently under construction have no equivalents.
i would say, both Russia and China more or less on same stage when it comes to civilian nuclear Technology. but yeah Marine nuclear tech Russia/USA ahead but China just started the deployment of marine nuclear reactor. for type 095 SSN they designed a totally new reactor.
the World's smallest commercial reactor, Linglong-1 (ACP100) is a third-generation small pressurized water reactor developed by CNNC, with fully independent intellectual property rights. In 2016, it became the world's first small reactor to pass a safety review by the International Atomic Energy Agency, earning it the nickname "nuclear power bank."China on the other hand is certainly weaker than the other two in miniature reactors for now.