So some other factors were in play for China.
Physics
1954 Walther Bothe (East Germany)
1958
Pavel A. Cherenkov (USSR)
Ilya M. Frank (USSR)
Igor Y. Tamm (USSR)
1962 Lev. D. Landau (USSR)
1964
Nikolai G. Basov (USSR)
Aleksandr Mikhailovich Prokhorov (USSR)
Chemistry
1956 Nikolai N. Semenov (USSR)
1959 Yaroslav Heyrovsky (Czechoslovakia)
etc