Load a pot with enough water and bring it to a boiling. Add a small pinch of salt and ¼ tsp. vegetable cooking oil and cook the green beans for 2-3 minutes. Transfer out and drain.
Heat cooking oil in wok and fry garlic until aromatic. Add green beans in, fry for another 2 minutes. Add Chinese olive vegetable, mix well. Add a small pinch of salt if necessary. But taste before adding the salt since Chinese olive vegetable is quite salty.