To July 2019 in domestic ethylene imports of 1.62 million tons, of which Saudi imports 50000 tons, accounting for more than 3%, mainly imports of area of jiangsu, shandong and other provinces, according to the main entrance downstream is chemical fiber and other industries. Domestic imported ethylene as raw materials of the gulf of PVC production enterprises, shandong province, such as chemical, hanwha ningbo enterprises are imported mainly from Japan and South Korea, and other enterprises. PE domestic enterprises are to perfect enterprise upstream and downstream industry chain, ethylene is not dependent on imports. But the cost of the conduction and promote the futures market funds, short industrial chain related products market prices for crude oil face short-term edged up.