| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 924.93 | USD | 20251117 |
| Wanhua Chem | China national standards | MT | 910.7 | USD | 20251114 |
| Wanhua Chem | China national standards | MT | 910.18 | USD | 20251113 |
| Wanhua Chem | China national standards | MT | 903.53 | USD | 20251112 |
| Wanhua Chem | China national standards | MT | 903.11 | USD | 20251111 |
| Wanhua Chem | China national standards | MT | 903.24 | USD | 20251110 |
| Wanhua Chem | China national standards | MT | 903.5 | USD | 20251107 |
| Wanhua Chem | China national standards | MT | 903.13 | USD | 20251106 |
| Wanhua Chem | China national standards | MT | 916.77 | USD | 20251105 |
| Wanhua Chem | China national standards | MT | 916.98 | USD | 20251104 |