On December 17, Shanxi Xiangfen Longtengda Chemical Co., Ltd.'s quotation for butadiene was set at 6,300 yuan per ton. The specifications of the butadiene are as follows: grade: premium quality; butadiene content: ≥99.5%; process: benzene oxidation method. This quotation is valid for 3 days. Quotation provider: Jinan Aocheng Chemical Co., Ltd.