| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yaoming Chem | China national standards | MT | 1080.26 | USD | 20251117 |
| Shandong Yaoming Chem | China national standards | MT | 1080.26 | USD | 20251117 |
| Shandong Yaoming Chem | China national standards | MT | 1080.13 | USD | 20251115 |
| Shandong Yaoming Chem | China national standards | MT | 1080.13 | USD | 20251114 |
| Shandong Yaoming Chem | China national standards | MT | 1079.52 | USD | 20251113 |
| Shandong Yaoming Chem | China national standards | MT | 1080.01 | USD | 20251112 |