Global Secondhand Network not only provides a classified information platform with rich resources, high credibility and strong interaction for individual users, but also establishes an all-round marketing solution for merchants, providing a number of columns such as merchant promotion, interactive community, online home, idle items and so on. And provide merchants with a variety of products such as "leaderboard", "latest recommendation" and "business encyclopedia". Among them, the products of "Complete Works of Merchants" are the first in the industry to realize the real online merchant e-commerce trading platform, which is a precedent in the second-hand online merchant industry.