1. Soak wings in the solution of water and salt for 10 minutes.
2. Rinse, drain and dry wings thoroughly with paper towels.
3. Bring a pot of water to a boil, and put wings in for 1 minute.
4. Immediately plunge wings into cold water and rinse until cold.
5. Drain and dry wings well.
6. Put shallots, green onions, ginger in a pot, add water and bring to a boil.
7. Add the soy marinade, brown sugar piece and cooking wine, and bring to a boil.
8. Add wings and boil for 1 minute, turn off heat and let wings steep in the sauce. Do not cover pot.
9. After 10 minutes, heat up the sauce until just steaming but not boiling. Turn heat off and let wings steep for 10 minutes. Repeat this step one more time.