| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei 789 Chem | China national standards | MT | 990.3 | USD | 20251211 |
| Henan Zihe | China national standards | MT | 749.79 | USD | 20251211 |
| Shandong Hongyang Chem | China national standards | MT | 1031.76 | USD | 20251210 |
| Shandong Hongxin Chem | China national standards | MT | 848.02 | USD | 20251210 |
| Shandong Qiangsen Chem | China national standards | MT | 946.96 | USD | 20251210 |
| Shijiaz Bailong Chem | China national standards | MT | 932.82 | USD | 20251210 |
| Shandong Xima | China national standards | MT | 975.22 | USD | 20251210 |
| Hebei Risun | China national standards | MT | 961.09 | USD | 20251210 |
| Shandong Xima | China national standards | MT | 890.42 | USD | 20251210 |
| Jinan Jinrihe Chem | China national standards | MT | 848.02 | USD | 20251210 |