Quebec has its own immigration system which is separate from the rest of Canada's. This site is run by a company based in Ontario and we are not experts in Quebec immigration. However, you can still ask questions and see if the community will help.
If you questions about crossing the border and they are not immigration questions, rather they concern customs questions (import/export), ask them here
Intracompany transfers and other professional visas for Americans, Canadians, Mexicans and others entitled to work in other countries due to trade agreements