On September 30th, Changzhou Yangtze Sulfuric Acid Co., Ltd. provided a quote for sulfuric acid at 680 yuan per ton. The specifications of the sulfuric acid are: grade: qualified; mass fraction/% ≥: 98; product grade: industrial-grade; category: concentrated sulfuric acid. The validity period of this quote is three days. The quote provider is Changzhou Yangtze Sulfuric Acid Co., Ltd.