On October 23rd, Shandong Hongxin Chemical Co., Ltd.'s quote for anthraquinone is $6500 per ton. The specifications of the anthraquinone include: grade: premium quality; purity: ≥99.0%; color (Pt-Co), number: ≤150. The validity period of the quoted price is three days. The provider of the quoted information is Jinrihe Chemical Co., Ltd.