On October 24, Zibo Qixiang Tengda Chemical Co., Ltd.'s 报价 for maleic anhydride is 6700 RMB/ton. The specifications of maleic anhydride: Process: Oxidation with n-butane. The validity period of the quoted price is 3 days. The provider of the quoted price is Shandong Zhongke Taihua New Material Co., Ltd.