On December 13, the Pentane Index stood at 86.11, unchanged from the previous day, marking a new low in the cycle and a 72.40% decrease from its peak of 311.97 points on October 27, 2021. The data monitoring by Business Sheets shows the Pentane Price Index curve as follows:

The Pentane Index on December 18th was at 85.68, unchanged from the previous day, marking a new low in its cycle history and a decrease of 72.54% from its peak of 311.97 points on October 27, 2021. The data monitoring by Business Sheets shows the Pentane Price Index curve as follows: - Dat..

The Pentane Index on December 19th was at 84.40, down 1.28 points from the previous day and hitting a new low in its cycle history, dropping 72.95% from its peak of 311.97 points on October 27, 2021. The data monitoring by Business Sheets shows the Pentane Price Index curve as follows:

On December 22, Zhenghe Group Co., Ltd.'s quote for propylene was $7200 per ton, with the product grade being first-class. The validity period of this quote is one day. The quote provider is Wuhan Hengjiu Chemical Co., Ltd.

On December 22, Shandong region's quote for acetone at 5900 yuan per ton is available. The product is of excellent quality and has a validity period of three days. The provider is Shandong Hongyang Chemical Co., Ltd.