On October 20th, Hubei's price for phosphoric acid was quoted at 6,850 yuan/ton. The specification for the product includes: usage level: industrial grade; grade: premium; content of phosphoric acid (H3PO4) in the product: 85%, through heat method. The validity period of this quotation is three days. The quoting entity is Bao Zhen Chemical (Shandong) Co., Ltd.