Question: CommerceHub (also known as Commerce Technologies, Inc.) is a provider of hosted integration, and which type of fulfillment, that's a supply chain management method, in which the retailer does not keep goods in stock but instead transfers customer orders and shipment details to either the manufacturer, another retailer, or a wholesaler, who then ships the goods directly to the customer?        
Sentence (from "Drop shipping"): As in retail businesses, the majority of retailers make their profit on the difference between the wholesale and retail price, but some retailers earn an agreed percentage of the sales in commission, paid by the wholesaler to the retailer.
Relevant evidence: No