1. 1. Slice the pork tenderloin into thin strips.

2. 2. Heat oil in a wok or large skillet over medium-high heat.

3. 3. Add the sliced pork and stir-fry until browned, then remove from the wok.

4. 4. Add more oil to the wok if needed, then add sliced napa cabbage and carrots.

5. 5. Stir-fry the vegetables until they start to soften, about 3-4 minutes.

6. 6. Return the cooked pork to the wok and mix well with the vegetables.

7. 7. Season with soy sauce, ginger, garlic, and any other desired seasonings.

8. 8. Cook for another 2-3 minutes, stirring constantly.

9. 9. Serve hot and enjoy!