Chicken Chow Mein

1 pound raw chicken, thinly sliced
4 cups chow mein noodles
1 cup sliced mushrooms
1 cup diced celery
1 cup chicken stock
1 cup bean sprouts
1/2 cup sliced water chestnuts
1/2 bamboo shoots
2 1/2 tablespoons soy sauce
2 tablespoons vegetable oil
2 tablespoons cornstarch mixed with 3 tablespoons water
1 teaspoon sugar
1/2 teaspoon salt

In a large skillet, fry chicken in vegetable oil until almost done (about 4 or 5 minutes). Add celery and cook until tender, another 3 or 4 minutes. Add remaining ingredients except cornstarch mixture. Bring to a boil. Stir in cornstarch mixture to thicken. Serve over chow mein noodles.