1. When does the China visa start?
The China visa is valid from the date of issue. The start date is based on when the consulate issues the visa, not the travel dates provided on the itinerary.
2. How far in advance can I apply for the visa?
There is no limit as to how far in advance you can apply for a China visa.
3. Is a China visa valid in an expired passport?
Yes, as long as the valid China visa is a 10 year and pending your name has not changed and you may travel with both the expired passport and the valid visa along with the new passport as well.