Chinese Vegetable Spring Rolls

Name: Chinese Vegetable Spring Rolls
Ingredients: For the Filling:; 2 cups mung bean sprouts; 6 dried black mushrooms; 1/2 red bell pepper; 1 medium carrot; 2 ounces bamboo shoots (canned); 2 tablespoons oil (for stir frying); For the Sauce:; 2 1/2 tablespoons oyster sauce or vegetarian oyster sauce; 1 tablespoon chicken broth (or water); 2 teaspoons light soy sauce; 1 teaspoon sugar; For the Spring Rolls:; Salt to taste; Pepper to taste; 20 spring roll wrappers; 1 large egg ( lightly beaten ); Oil for frying