Retail markets featuring tubes and pipes; Retail store services featuring a wide variety of consumer goods of others; Promoting the goods and services of others by means of operating an on-line shopping mall with links to the retail web sites of others; Administrative processing of purchase orders; Advertising and publicity services; Auction services; Demonstration of goods; Sample distribution; Import and export agencies; On-line advertising on computer networks; Marketing services; Organization of exhibitions for commercial or advertising purposes; Conducting, arranging and organizing trade shows and trade fairs for commercial and advertising purposes