Yes

It largely depends on how busy they are. Also, the kitchen is small, so don't expect restaurant level speed. If you're in a hurry, calling ahead is probably good.

Hello, we have vegan shumai, Vegan dumplings, vegan buns, and beans chocolate buns also vegan

Yeah, very delectable choices.

Yes, they have rooibos and many herbal teas.

The food they have are like steamed pork buns or dumplings so no.

In the parking lot behind the store there is an entrance that has no stairs or ramps. It takes you to the back of the shop near teas on the back wall.