On November 18, Shandong Kailong Chemical Technology Development Co., Ltd.'s quote for sodium metabisulfite is 1800 yuan/ton. The specification of sodium metabisulfite includes: application grade: industrial; main content (calculated by Na2S2O5), ω/%, ≥: 96.5. This quoted price is valid for 3 days. The provider of the quote is Jinri Heavy Chemical Co., Ltd.