Taxi services from Guangzhou Baiyun Airport to nearby Hotels

Expected time of arrival at Baiyun Airport at 23:15hr,is taxi service still available from airport to Baiyun Int"l Airport Everyday Hotel?If Yes,what is the cost of hiring one to the said destination?I would like to know also whether taxi services at Baiyun Airport operates by centralised coupon system?(one purchases coupon before queuing for taxi)