On November 11, Shandong Kailong Chemical Technology Development Co., Ltd. provided a quote for sodium metabisulfite at 2100 RMB per ton. The specification of sodium metabisulfite includes: application grade: industrial grade; main content (calculated by Na2S2O5), ω/%, ≥: 96.5. The validity period of this quote is 3 days. The quote provider is Shandong Yushuo Chemical Co., Ltd.