I used bacons instead of smoked pork and no preserved duck eggs.
https://www.youtube.com/watch?v=Ck_W4Rwk4Us&index=83&list=PLhKcC9iq1G8P9KQNvbDo-JV3i__bgYKax
Chef Tiegang is very good at cooking eggplants, his recipe works every time.
It doesn't take long time and uses very little cooking oil.