Import-export agency services; demonstration of goods; organization of exhibitions for commercial or advertising purposes; organization of trade fairs for commercial or advertising purposes; presentation of goods on communication media, for retail purposes; sales promotion for others; commercial administration of the licensing of the goods and services of others; procurement services for others [purchasing goods and services for other businesses]; arranging and conducting of promotional and marketing events; commercial information and advice for consumers in the choice of products and services; retail or wholesale services for jewelry; on-line ordering services for jewelry; retail services provided by jewelry stores.