Article 60 of the Common Program
Article 60 of the Common Program

The People's Republic of China shall accord the right of asylum to foreign nationals who seek refuge in China because they have been oppressed by their own governments for supporting the people's interests and taking part in the struggle for peace and democracy.

Not only the Common Program article 60 supports the protection of refugees. China signed the 1951 Convention of the United Nations, which is the basis of international refugee protection. See Convention. During the period of 1949-1954, there is no evidence of requests for asylum.
A special group are POW turncoats, they were POWs from the Korea War; twenty-one American GIs and a British marine had chosen to live in PRC rather than to be repatriated to the US or UK.
See Hooper (2016). pages 51-55

Notes Documents...

See Hooper (2016). Pages 51-55 [Cite]
and Zweiback (1997). Pages 345-362 [Cite]