Renewing a Canadian passport in China

I will be receiving my new passport tomorrow. I assume I will have to go to Entry/Exit Bureau to optain my exit visa. HOWEVER, as I have immediate business trips to Macau and Hong Kong before returning to China, is it possible to acquire a single re-entry visa from the Entry/Exit Bureau, so as to avoid spending an extra two days in HK/Macau getting this? Moreover I'll have to renew my visa in Chengdu eventually in the next month, as that's where my marriage is registered.