On October 23, Shijiazhuang Bailong Chemical Co., Ltd.'s quote for oxalic acid was set at 6000 yuan per ton. The specifications of the oxalic acid include: grade: premium quality; content of oxalic acid: ≥99.5%; process: benzene oxidation method. The validity period of this quote is three days. The quote provider is Jinan Aocheng Chemical Co., Ltd.