It is an important content for China express companies to serve the manufacturing logistics to expand high value-added business growth and achieve high-quality development. This article has proposed a Z-curve based on marginal contribution and market position factors of the express enterprises. Meanwhile, the traditional Raiffa solution model based on marginal contribution is extended by using Z-factor based on market position, and the revenue distribution of express service is analyzed employing this according model. The conclusions reveal that, it is more realistic and operational to apply the extended Raiffa solution model in the revenue distribution for the business of express companies serving manufacturing enterprises. In addition, the application of the model is verified by a numerical example based on the relevant industrial survey data.