change life style through immigration. if you want to get the high position, please don't do that. you can find more opportunity in china, our motherland.
Actually I believe HR key functions invlove five parts as following wherever in China, Canada or USA: Manpower, Recruitment & Employment, Compensation & Benefits, Training & Development and Employee Relations.
If you would like to be proved as a HR professional, you should be regarded as a Generalist who have well acquainted with the core first. Then try to promote yourself as a managerial staff by good master in management philosophy, common sense and HR techniques.
For this case, surely you will get a HR job at the above three states. Yes, good communication in English will be considered as primary term.