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 o# r. Z, l& G, s W- G" y( j: W2 ]9 A
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.