On October 31, Qi Xiang Tengda's quoted price for maleic anhydride was $5400 per ton. The specifications of maleic anhydride include: Qi Xiang Tengda grade: premium; maleic anhydride content ≥ 99.5%. This quoted price is valid for 3 days. The provider of the quoted price is Shandong Jinsheng Run Chemical Co., Ltd.