1. Heat a wok or large sill over medium heat.
2. Once hot, add the oil and garlic, cooking for 1 to 2 minutes.
3. Add in the shrimp, chili flakes, and salt, cooking for 2 to 3 minutes.
4. Once cooked, remove the shrimp and garlic from the wok and set aside in a bowl.
5. Return the wok to heat, and once it's hot again, add ginger and asparagus, cooking for 2 to 3 minutes.
6. After that time, return the shrimp and garlic to the wok, so everything is together, and add in the oyster sauce and water.
7. Let the sauce reduce and thicken slightly, in the hot wok for 2 to 5 minutes.
8. After that time, serve, and enjoy!