On October 23rd, Sinopec Zhenhai Refining & Chemical Co., Ltd.'s price for butadiene was quoted at 8600 yuan/ton. The specifications of butadiene are as follows: grade: premium quality; content, %: ≥99.5. The validity period of this quote is 3 days. The provider of the quote is Sinopec Zhenhai Refining & Chemical Co., Ltd.