Driven by the sharp rise in international oil prices, PE domestic market prices rose significantly today, the price gap between import and export continued to expand, some trading enterprises tentatively reported high, and turnover improved. In October, the quotation of foreign investors remained unchanged. The linear purchase price of domestic trading enterprises was about 780-790 US dollars/ton, the high pressure was 860-870 US dollars/ton, and the low pressure film material was 840-850 US dollars/ton. The sales profit improved. At present, the price gap of PE US dollars continues to widen, and imports continue to close, arbitrage window expands, some PE goods supply tightens, and the market rebounds greatly in the future. It is suggested that the industry choose the opportunity to purchase at a lower level.