On December 4th, Tangshan Huayi Industrial Co., Ltd. provided a quote for butane dicarboxylic acid (顺酐) at 6,300 yuan per ton. The specifications of the product include: grade: premium quality; butane dicarboxylic acid content: ≥99.5%; process: benzene oxidation method. The validity period of this quote is 3 days. The provider of the quote is Jinan Aocheng Chemical Co., Ltd.