As the industry matures, macroeconomic factors have an increasing impact on the entire industrial chain, and the prices of raw materials and products fluctuate more and more. For the real economy to operate sustainably, it must increase its core competitiveness. How to have a more generous and stable return is a realistic problem for every company. Specific to the downstream manufacturers of plastics, because the downstream order prices of the companies are often not adjustable, or the adjustment speed is relatively slow relative to the fluctuation of the raw material prices, the risk management of the raw material prices is particularly important.