He/she can apply some documents from Canada consulate or embassy in China to get admission. It is called "travel documents for PR card expired". Check the immigration website. 9 [) D3 j; i" K t+ o: k h1 _' w0 H( E! g) `
By the way, how did he/she apply for the renew? In Canada or outside of Canada? Did he/she apply by themselves or from friend? Thank you.