According to the process characteristics of emulsion production process, Nova designs a fully automated production line metering control system that meets the characteristics and regulations of the paint industry and with the feature on international standardized batch management control. It combines the quantitative matching process with the production process control so as to effectively enhance the system's level of accuracy and achieve full digital management and process operation control. According to the customer needs, it can realize the data communication and sharing with the ERP system, so that the production line can really achieve the goal of precise measurement and greatly reduce the labor cost of the workshop.