On October 11th, Hunan Yinqiao Technology Co., Ltd.'s quotation for sodium metasodate was $1700 per ton. The specification of sodium metasodate includes the following: Usage level: Industrial grade; main content (calculated based on Na2S2O5), ω/%, ≥: 96.5%. The validity period of this quotation is three days. The quoting party is Guangzhou Tianyue Chemical Co., Ltd.