On December 17, Hubei Qi No. 7, 8, and 9 Chemical Co., Ltd.'s quote for adipic acid is RMB 8500 per ton. The specifications of adipic acid are: 99.7% min; premium quality. The validity period of the quoted price is 7 days. The provider of the quoted price is Hubei Qi No. 7, 8, and 9 Chemical Co.