On September 27, Henan Saiteng Environmental Protection Technology Co., Ltd. provided a quotation for phosphoric acid at RMB 7800 per ton. The specification of the phosphoric acid: Usage level: Industrial grade; Grade: Premium quality; Content of phosphoric acid (H3PO4) in percentage: 85%. The validity period of this quotation is three days. Quotation provider: Jiaozuo Bishuiqing Environmental Protection Technology Co., Ltd.