| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chem | China national standards | MT | 1145.91 | USD | 20251211 |
| Shandong Mingyu | China national standards | MT | 1216.65 | USD | 20251211 |
| Shandong Yihe Chem | China national standards | MT | 1046.88 | USD | 20251211 |
| Shandong Aite Chem | China national standards | MT | 1145.91 | USD | 20251211 |
| Dongying HuataiChem | China national standards | MT | 1102.43 | USD | 20251210 |
| Dongying HuataiChem | China national standards | MT | 1102.43 | USD | 20251210 |
| Dongying HuataiChem | China national standards | MT | 1102.43 | USD | 20251210 |
| Dongying HuataiChem | China national standards | MT | 1102.43 | USD | 20251210 |
| Shandong Xima | China national standards | MT | 961.09 | USD | 20251210 |
| Shandong Yihe Chem | China national standards | MT | 1060.03 | USD | 20251210 |