Auctioneering; Business management consulting and advisory services; Import-export agency services; Promoting and showcasing the goods of others in the field of jewellery by means of an on-line shopping site with links to the retail advertisements of others; Purchasing and procurement services, namely, procuring of contracts for others for the purchase of goods and labor contracting services; Sponsorship search; Administrative processing of purchase orders; Advertising services; Commercial administration of the licensing of the goods and services of others; Commercial information agency services; Demonstration of goods; Marketing services; Negotiation and conclusion of commercial transactions for third parties; On-line retail department store services; On-line advertising on a computer network; Organization of trade fairs for commercial or advertising purposes; Organization of exhibitions for commercial or advertising purposes; Outsource service provider in the field of business management; Providing business information via a web site; Provision of an on-line marketplace for buyers and sellers of goods and services; Provision of commercial and business contact information