On October 20, Shandong Kailong Chemical Technology Development Co., Ltd.'s quotation for sodium metasodate was $1600 per ton. The specification of sodium metasodate includes: Usage grade: Industrial grade; main content (as Na2S2O5), ω/%, ≥: 96.5. The validity period of the quotation is 3 days. Quotation provider: Jinrihuo Chemical Co., Ltd.