CCM selected the most representative projects like naphtha and coal and imported methanol to do the cost analysis.After checking many times by qualified experts, and combined with the market changes in raw material prices and byproducts, CCM made production cost charts of China's three kinds of ethylene propylene raw materials.Furthermore, consistent with the research and development of the CCM price forecasting model, and based on a large volume of historical data combined with current affairs that may affect the market, CCM will provide clients with the forecast information over the next two months. CCM will provide clients with forecast information for a forecast period of two months.