Cut pork belly into desired size. Bring water to boil and add in few slices of ginger, few stems of green onion, and pork belly. Cook the pork belly until it turn white on the surface and take it out of the pot.
In a wok, with medium high heat, add in Vegeable Oil, Rock Sugar, and Pork Belly. Cook Until the pork belly turn brown.
Add in Shaoxing Wine, Soy Sauce and Dark Soy Sauce and cook for a few minutes
Add in Water, with medium low heat, cover with lid and simmer for 1 hour. Until most liquids are evaporated.
Ready to serve in your favorite dinnerware, and sprinkle some chopped Green Onion as garnish.