Do they sell western ingredients like Half & half cream, butter and fruits juice?

Yes, they do. Basically everything you mentioned is in one refrigerated aisle.

Yes, Hood half & half in the quart size. They also have a wide variety of fruit juices and a wonderful selection of butter.

Some items

Some stuff.

Kam Man sells a wide variety of Eastern fruit juices in nonrefrigerated cans and bottles. And some Western cold cartons but not a wide variety. Not sure about half & half or butter...