On November 26, Hunan Yinqiao Technology Co., Ltd. provided a quote for sodium metasodate at 2300 yuan per ton. The specification of sodium metasodate includes: application grade: industrial level; main content (calculated by Na2S2O5), ω/%, ≥: 96.5. The validity period of this quote is three days. The quote provider is Changzhou Decheng Chemical Co., Ltd.