The world of B2B (Business-to-Business) is changing fast. Using the power, speed and versatility of the Internet, today companies of all sizes are conducting billions of dollars of new business everyday, thanks to secure and mission-critical business to business applications. B2B is defined by two companies doing business together directly, with no intermediaries. Such a method has proven itself as fast, economical and, above all, extremely efficient. Truely there are lots of sites there being famous now like aliaba, trade.meritline and others not.