How to sell cjdrop products in Amazon?

Amazon has their own logistics for supplies. So, you would have to buy a product in bulk from CJ and transport it to an Amazon fulfillment centers, then open a store on amazon. 

Here is what Amazon says about Dropshipping  Amazon SellerCentral Dropshipping Drop shipping, or allowing a third-party to fulfill orders to customers on your behalf, is generally acceptable. If you intend to fulfill orders using a drop shipper, you must always:Be the seller of record of your products;Identify yourself as the seller of your products on all packing slips, invoices, external packaging, and other information included or provided in connection with them;Remove any packing slips, invoices, external packaging, or other information identifying a third-party drop shipper prior to shipping the order;Be responsible for accepting and processing customer returns of your products; andComply with all other terms of your seller agreement and applicable Amazon policies.Examples of drop shipping that is not permitted:Purchasing products from another online retailer and having that retailer ship directly to customers, if the shipment does not identify you as the seller of record or if anyone other than you (including the other online retailer) appears on packing slips, invoices, or external packaging; orShipping orders with packing slips, invoices, external packaging, or other information indicating a seller name or contact information other than your own.