The operating models of b2b include vertical model, comprehensive model, self-built model and associated model.

1. Vertical model: vertical B2B for manufacturing or business. Vertical B2B can be divided into two directions, namely upstream and downstream.

2. Comprehensive model: B2B for the intermediate transaction market. This transaction model is horizontal B2B, which concentrates similar transaction processes in various industries into one place, providing a transaction opportunity for the purchaser and supplier of the enterprise.

3. Self-built model: The self-built B2B model of industry leading enterprises is that large industry leading enterprises build an industry-oriented e-commerce platform with their own product supply chain as the core based on their own information construction level.

4. Associated model.