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. ( [" w. o# y' i( U3 _8 P; @) m! T2 L# x! Z8 P& j! H. S [6 J5 z
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.