Cut veal into thin strips. Cut vegetables as desired.
Sauté veal in a wok using hot oil. Remove the veal. Sauté vegetables (excluding bean sprouts and leek) and ginger. Remove. Sauté bean sprouts and leek. Remove and keep warm.
Return all ingredients to the wok, except leek and bean sprouts. Add oyster and demi-glace sauces. Heat.
On each plate, first place bean sprouts and leek, then add heated vegetables and veal strips. Serve.