On November 20, Henan Saiteng Environmental Protection Technology Co., Ltd.'s phosphate pricing is set at 8000 yuan per ton. The specifications of the phosphate are as follows: application grade: industrial level; grade: premium quality; phosphate (H3PO4) content: 85%. The validity period for this quotation is 3 days. The quoting party is Jiaozuo Bishui Qing Environmental Protection Technology Co., Ltd.