In late July, the three varieties of polyethylene in stock rose and fell this week. LLDPE has been significantly increased, with the range of 50-250 yuan / ton, LDPE is stable, some of which are up regulated, HDPE has fallen continuously, with the range of 100-200 yuan / ton.

According to the data of business agency, the average factory price of LLDPE (7042) in East China was 8216.67 yuan / ton on July 18, 8383.33 yuan / ton on July 23, and the increase rate in the week was 2.03%, up 1.00% compared with July 1.

According to the data of business society, the average factory price of LDPE (2426h) in East China was 10500.00 yuan / ton on July 18, and that of July 23 was 10050.00 yuan / ton, which was stable in operation within the week, and it has no change for now, up 3.45% compared with July 1.

According to the data of business society, the average price of HDPE (5000S) in East China was 9300.00 yuan / ton on July 18, 9133.33 yuan / ton on July 23, and the decline rate was 1.79% in the week, 0.72% lower than that on July 1.

In late July, the three kinds of polyethylene spot rose and fell. Petrochemical company adjusted the factory price narrowly, with different trends and insufficient cost support. The linear coal chemical plant is mainly maintained, and the low price supply is relatively small, and the fluctuation of futures market brings some support to the spot market. High pressure is relatively firm due to the low capacity. The low-pressure market will lower the price according to the situation. The terminal is currently cautious in taking goods and making up the goods as required. The average start rate of PE enterprises in this period was 84.07%, down 3.25% from 87.32% last week.

Upstream ethylene market, the recent external ethylene market overall showed a rising trend. The price of ethylene in Asia is stable, as of 22, CFR Northeast Asia closed at $1001-1011 / T, and CFR Southeast Asia closed at USD 966-976 / T. The price center of European ethylene market moved upward, as of 22, FD northwest Europe closed at $1160-1170 / T, CIF NW Europe closed at $1063-1071 / T. The price of ethylene in the U. Generally speaking, the demand of the whole ethylene market is good in the near future, the purchasing atmosphere is active, the transaction is good, and the center of the ethylene market moves upward.

On July 23, the opening price of PE futures 2109 was 8380, the highest price was 8415, the lowest price was 8280, the closing price was 8325, the former settlement price was 8425, the settlement price was 8345, down 100, or 1.19%, the volume of trading was 379659, the position was 310609, and the daily position increased by 14601（ Quotation unit: yuan / ton)

In general, in terms of demand, the later stage of agricultural film has a small improvement expectation, but the pipe construction rate has decreased significantly, and the overall demand has not changed much. Petrochemical factory prices are currently stable, cost support is general, downstream market enthusiasm has been weaker than the previous stage, multi-dimensional on-demand supplement, continue the negotiation mode, business mentality is general, the offer price rise and fall. It is expected that PE spot market lacks clear guidance in the short term, or maintains the mutual occurrence of rise and fall.