| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 1031.23 | USD | 20251129 |
| Wanhua Chem | China national standards | MT | 1045.36 | USD | 20251129 |
| Wanhua Chem | China national standards | MT | 1073.61 | USD | 20251129 |
| Wanhua Chem | China national standards | MT | 1031.23 | USD | 20251128 |
| Wanhua Chem | China national standards | MT | 1073.61 | USD | 20251128 |
| Wanhua Chem | China national standards | MT | 1031.38 | USD | 20251127 |
| Wanhua Chem | China national standards | MT | 1045.51 | USD | 20251127 |
| Wanhua Chem | China national standards | MT | 1073.76 | USD | 20251127 |
| Wanhua Chem | China national standards | MT | 1073.76 | USD | 20251127 |
| Wanhua Chem | China national standards | MT | 1031.13 | USD | 20251126 |