Apply visa from Malaysia or Canada

Hello,
I'm a holder of travel document from Canada and permanent resident in Regina, SK, Canada. I'm going to Malaysia as a tourist about two weeks then I will go to Beijing a week. Eventually, I will come back to Canada. Therefore where do I have to apply for China entry permit? Should I apply from Canada or Malaysia. If I require to apply in Canada, which city do I have to apply?
Thank you.
Victoria