On November 11, the price quoted by Wengfu Group for phosphoric acid is 6500 yuan/ton. The specification of the product includes: intended use level: industrial grade; grade: premium quality; and the content of H3PO4 in the phosphoric acid (H3PO4) is 85%. The validity period of this quote is three days. The quoting entity is Shandong Yusuo Chemical Co., Ltd.