On October 29, the domestic price for sodium metasodate was quoted at RMB 2,900 per ton. The specification of sodium metasodate includes: usage level: industrial grade; main content (calculated as Na2S2O5), w/%, ≥: 96.5. The quoted price is valid for 7 days. The provider of the quoted price is Henan Qingmai Environmental Protection Technology Co., Ltd.