On October 15, the price quote for acetic anhydride by Ningbo Wanglong Group Co., Ltd. is set at 4150 RMB per ton. The specifications of acetic anhydride are: quality grade: premium; acetic anhydride content, %: ≥99%. The validity period for this quote is three days. The provider of the quote is Zaozhuang Yitai Energy Technology Co., Ltd.