On December 8th, Shandong Kailong Chemical Technology Development Co., Ltd.'s quotation for sodium metabisulfite is 2100 RMB per ton. The specifications of sodium metabisulfite include: application grade: industrial; main content (calculated by Na2S2O5), w/% ≥: 96.5. The validity period of this quotation is 3 days. The provider of the quotation is Shandong Yushuo Chemical Co., Ltd.