On October 17, Tianjin Jingming Chemical Co., Ltd.'s quotation for sodium metabisulfite is 2000 yuan/ton. The specifications of sodium metabisulfite include: application level: industrial grade; main content (calculated by Na2S2O5), ω/%, ≥: 96.5. The validity period of this quotation is 3 days. Quotation provider: Jinan Jinhao Chemical Co., Ltd.