For Canadians in China and abroad, it is advisable from the Canadian Government to register as an Canadian Abroad on the according website.

Registration of Canadians Abroad –

Registration of Canadians Abroad is a free service that allows the Government of Canada to notify you in case of an emergency abroad or a personal emergency at home. The service also enables you to receive important information before or during a natural disaster or civil unrest.

Useful links in China

Useful links in Canada