On May 26, the Zhenhai Refining and Chemical Co., Ltd. of Sinopec Corporation provided a quote for butadiene at 10,200 yuan/ton. The specifications of the butadiene are as follows: Grade: Premium quality; Content %: ≥99.5. The validity period of this quote is three days. The provider of the quoted price is Sinopec Corporation's Zhenhai Refining and Chemical Co., Ltd.