On October 20th, the price quote for acetic anhydride by Ningbo Wanglong Group Co., Ltd. was set at 4450 yuan per ton. The specifications of acetic anhydride include: grade quality: premium; content of acetic anhydride, %: ≥99%. The validity period of this quote is 7 days. The supplier providing the quote is Suzhou Huayuan Chemical Co., Ltd.