| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 1554.13 | USD | 20251127 |
| Hubei 789 Chem | China national standards | MT | 2048.63 | USD | 20251127 |
| Shandong Xima | China national standards | MT | 1469.36 | USD | 20251127 |
| Shandong Longhui Chem | China national standards | MT | 1638.9 | USD | 20251127 |
| Shandong Longhui Chem | China national standards | MT | 1949.73 | USD | 20251127 |
| Hubei 789 Chem | China national standards | MT | 2048.14 | USD | 20251126 |
| Shandong Zhiheng | China national standards | MT | 1553.76 | USD | 20251126 |
| Shandong Hongyang Chem | China national standards | MT | 1765.64 | USD | 20251126 |
| Shandong Laya Chem | China national standards | MT | 1454.88 | USD | 20251126 |
| Hubei 789 Chem | China national standards | MT | 2048.14 | USD | 20251126 |