Place a wok or large saute pan over high heat (medium heat if using a high output wok burner). Add the cooking oil.
When the oil starts to lightly smoke, add the pork belly to the pan and stir fry for 1-2 minutes.
When the pork belly has started to lightly brown, add the fermented black beans and the chili bean paste.
Stir fry over high heat for 20-30 seconds. The pork will start to take on a pleasant red color.
Add sliced garlic, ginger and chilies and stir fry over high heat for about 20 seconds
Add the "sauce" that you mixed earlier and stir fry for about 20 more seconds over high heat
If the heat isn't already all the way up, turn the heat up and add the green garlic.
Stir fry over the highest heat possible for about 15 to 20 seconds and then turn off the heat. The goal is to have the green garlic be wilted but not totally soft and overcooked.
Serve the twice-cooked pork with warm steamed rice