Provide dealers with a self-service platform for online ordering, inquiry and reconciliation, freeing up most of the coordination work between customer service staff and dealers。Provide the financial department with a model promotion policy platform, automatically implement the promotion policy when dealers place orders, solve the problems of "buy gift" and "buy gift and discount", and automatically calculate and cash the dealer rebate according to the contract, delivery and payment, and evaluate the dealer based on this。Provide the sales forecasting platform to the planning department. The headquarters predicts the national sales volume of conventional products, and the dealers predict the sales volume of new products in different regions and set the quota of new products when picking up the goods。Divide sales accounts according to product line, distinguish and straighten out the settlement relationship between two parties, three parties and multi-party returns。