spicy string beans with minced chicken

watching anthony bourdain's no reservations... i <3 tony. Ingredients
3/4 lb minced chicken
2 tablespoons soy sauce soy sauce
1 1/2 tablespoons mirin
1/4 teaspoon fresh ground black pepper
1 tablespoon tobanjang sauce
1 tablespoon black bean garlic sauce
1 teaspoons fish sauce
1 1/2 teaspoons sugar
peanut oil or vegetable oil
1 lb string beans, trimmed
4 garlic cloves, thinly sliced (1 tablespoon)

Instructions
1. In a small bowl, marinate the chicken with soy sauce, mirin, sugar and pepper.
2. Heat a wok or large frying pan over medium-high heat and add the oil.
3. When the oil is hot, add the beans and stir-fry them for 5 minutes. Remove the beans from the pan using a slotted spoon and pour off all but 2 tablespoons of the oil. Return the pan to the heat, and add the chicken and garlic. Stir-fry for about 5minutes. Add fish sauce, tobangjang, and black bean garlic sauce.
4. Add green beans and mix well.
5. Serve with rice.