On November 10, Zhongtian Brand's quote for sodium metabisulfite was 2350 yuan/ton. The specification of sodium metabisulfite includes: usage level: food grade; main content (calculated based on Na2S2O5), ω/%, ≥: 97.0. The validity period of this quote is three days. The provider of the quote is Suzhou Huayuan Chemical Co., Ltd.