On December 7th, Shandong Kailong Chemical Technology Development Co., Ltd.'s quotation for sodium metabisulfite is 1800 RMB/ton. The specification of sodium metabisulfite includes: Usage level: Industrial grade; main content (calculated as Na2S2O5), ω/%, ≥: 96.5. The validity period of this quotation is 3 days. The quoting entity is Jinri Heavy Industry Co., Ltd.