After the earthquake, Wolong has been always closed. So, if you want to see the pandas, they have been moved to Bifengxia in Ya'an, or Panda breeding center in north suburb of Chengdu. Travel China Guide have such tours and you can see their China tour packages(https://www.travelchinaguide.com/tour/default.htm) to pick up the rest part of your tours. You can suggest changes on the itineraries according to your preference.