Prepare all the ingredients and in a large bowl, combine salt, black pepper, half of the garlic, 3 tablespoons of Worcestershire sauce and 1 tablespoon Oyster sauce, mix well then add the Pork slices and marinate for about 20 minutes to half an hour.
In a small bowl, combine all the remaining ingredients, the brown sugar, Worcestershire sauce, soy sauce, and red chili pepper flakes. Use a whisk to mix the ingredients until the sugar is completely dissolved then set aside.
Remove the Pork from the marinade and drain.
Using a large frying pan or wok, apply medium heat, add Canola oil, then fry the remaining garlic until it turns brown, remove the garlic and set aside.
Add the Pork in the frying pan and fry in batches, do not overcook it just make the outer part turns brown about 2 to 3 minutes on each side.
Add Oyster-Soy sauce-Worcestershire mixture and fried garlic, then continue cooking while stirring regularly for about 5 to 7 minutes.
Serve Hot with steamed rice and your favorite Juice.