On November 14th, Hunan Yinqiao Technology Co., Ltd. provided a quotation for sodium metasulfite at 1700 yuan/ton. The specification of sodium metasulfite includes: application grade: industrial level; primary content (calculated as Na2S2O5), w/% ≥: 96.5. This quotation is valid for three days. Quoting party: Guangzhou Tianyue Chemical Co., Ltd.