This is also known as kan lan, qing guo, huang lan and/or bia lan

Chinese olives taste different than Western olives. There is a hint of five spice and very little of the Mediterranean flavor tones.

The olives come in two forms, canned with pits and dry packed. Not to be obvious, but if you get the canned ones, you will have to pit it yourself before you cook with them. The dry packed ones look more like a paste than individual olives. I have only seen the canned olive available here in the US. In Thailand you can also get the dry pack ones, imported from China.