On November 19, Changzhou Qinghong Chemical Co., Ltd.'s quotation for sulfuric acid is 980 RMB/ton. The specifications of the sulfuric acid are: grade: qualified; mass fraction /% ≥: 98; product grade: industrial-grade sulfuric acid; type: concentrated sulfuric acid. The validity period of this quotation is 3 days. The provider of the quoted information is Changzhou Qinghong Chemical Co., Ltd.