The Research on coal chemical industry chain development in china based on value-added Model

摘要

Based on the view of technical economics, improve on the agricultural value-added model through the introduction of new variables; format the value-added model of coal chemical products. Then take the development of coal chemical industry chain of Yulin City in Shaanxi Province for example, educe the necessity to upgrade its industrial chain. In addition, discuss the strategy to promote coal chemical industry chain from the perspective of strengthening the building of coal chemical industry chain and improving value-added.