The price of propylene glycol provided by Hubei No. 7, No. 8, and No. 9 Chemical Co., Ltd. on December 11th is RMB 6500 per ton with a specification of 99% purity. The validity period for this quote is 7 days. The provider of the quote is Hubei No. 7, No. 8, and No. 9 Chemical Co., Ltd.