On November 24, Shandong Kailong Chemical Technology Development Co., Ltd.'s quotation for sodium metabisulfite is 2250 RMB/ton. The specification of sodium metabisulfite: usage level: industrial grade; main content (calculated by Na2S2O5), ω/%, ≥: 96.5. The validity period of the quotation is 3 days. Quotation provider: Jiaen Chemical (Shandong) Co., Ltd.