On November 7th, the price quote for sodium metabisulfite in Shanghai Ma Lu was set at 2150 yuan per ton. The specification of sodium metabisulfite includes: Usage grade: Food grade; main content (calculated based on Na2S2O5), ω/%, ≥: 97.0%. The validity period for this quote is three days. The provider of this quote is Shanghai Jiading Ma Lu Chemical Plant Co., Ltd.