Do they serve dim sum all day? (Push the carts until 10pm?)

Dim Sum is served until 3pm, while supplies last. The best is to come at latest 2:30pm because all carts are off the floor at 3pm. Dim sum is traditionally served as brunch and not all day long.

No. They stop the dim sum carts around 11am -12 pm.

The dim sum service is up to 3pm.

They serve with dim sum carts until 2:30pm actually