Toss Shrimp With Salt, Add Wine And Marinate 20 Minute To Several Hours. Drain Shrimp And Reserve Marinade. Heat Wok On High Heat, Add Oil. Add Ginger, Stir-Fry Until Fragrant And Add Shrimp. Stir-Fry Until Shrimp Are Opaque, 2 To 4 Minutes Depending On Size. Add Snow Peas And Wter Chestnuts; Stir-Fry Until Just Heated Through. Add Reserved Marinade, Soy Sauce And Cornstarch Mixture. Bring To Boil And Cook Until Sauce Thickens. Serve Immediately.