On October 27, Changzhou Yangtze Sulfate Co., Ltd.'s quotation for sulfuric acid is 800 yuan/ton. The specifications of the sulfuric acid are: grade: qualified product; mass fraction of sulfuric acid /% ≥: 98; product grade: industrial-grade; type: concentrated sulfuric acid. The validity period of this quotation is 3 days. Quotation provider: Changzhou Yangtze Sulfate Co., Ltd.