Saute shiitake mushrooms for a couple of minutes, then shallots, garlic and dried shrimp skin. Saute until lightly golden.
Add pork mince, soy sauce, shaoxing wine and sugar. Saute on high heat until pork is browned and sauce has been mostly reduced.
Add cabbage and carrots. Stir fry until soft and sweet. About 4 minutes.
Add soaked vermicelli noodles, a little more soy sauce, salt, white pepper and reserved shiitake mushrooms soaking water.
Reduce heat to medium-low. Stir fry with 2 spatulas for even mixing. About 3 minutes.