Chinese Stir-Fried Rice Noodles with Beef

Name: Chinese Stir-Fried Rice Noodles with Beef
Cuisine: Asian, Chinese
Ingredients: 300g fresh wide rice noodles (ho fun); 300g flank steak or sirloin, thinly sliced; 2 tbsp vegetable oil (for stir-frying); 1 small onion, thinly sliced; 3 green onions, cut into 2-inch pieces; 2 cups bean sprouts, rinsed; 2 cloves garlic, minced; 1 tbsp light soy sauce; 1 tbsp Shaoxing wine (or dry sherry); 1 tsp cornstarch; 1 tsp sesame oil; 1 tbsp light soy sauce; 1 tbsp dark soy sauce; 1 tsp oyster sauce; 1 tsp sugar; 1 tbsp water