This is the full report of the B2B Ecommerce topic. This report contains all the basic, advanced and expert content. It provides answers to basic questions such as "What is B2B ecommerce?" and "What are the key differences between B2C and B2B ecommerce?". In addition, it also deals with more advanced and expert issues, such as "How to create a centralized information system?" and "How to make the right choice for your B2B ecommerce platform?" Naturally, the actual chapter of B2B Ecommerce on the EcommerceWiki will be updated regularly. Therefore, we will also update this report as often as possible.