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. 0 w3 ^" L6 V, |9 D8 R; G P$ s& y5 f$ U* {
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.