In the small bowl, combine soy sauce, Worcestershire sauce, ginger powder, white pepper powder and sesame oil.
Heat the pan over medium heat, add 1 tbsp oil, fry the shrimps about 5 minutes or until it turning pink. Set aside.
Use the same pan, add 2 tbsp oil, add onion, garlic, and all vegetables, stir it until the veggies are soft, push it to the side of the pan.
Add shrimp, and soy sauce mixture into the pan, stir it.
Add pineapple and chopped green onion, stir it until all ingredients mix well.