On October 20, Dongying Kede's quote for maleic anhydride is priced at 5400 yuan/ton. The specifications of maleic anhydride are: Dongying Kede grade: Premium quality; Maleic anhydride content ≥ 99.5%. The validity period of this quote is 3 days. The quote provider is Shandong Yushuo Chemical Co., Ltd.