On October 18, Shijiazhuang Bailong Chemical Co., Ltd.'s 报价 for maleic anhydride is 6000 yuan/ton. Maleic anhydride specifications: grade: premium quality; maleic anhydride content: ≥99.5%; process: benzene oxidation method. The validity period of this quotation is 3 days. Quotation provider: Jinan Aocheng Chemical Co., Ltd.