| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 939.41 | USD | 20251128 |
| Wanhua Chem | China national standards | MT | 939.54 | USD | 20251127 |
| Wanhua Chem | China national standards | MT | 937.87 | USD | 20251120 |
| Wanhua Chem | China national standards | MT | 924.2 | USD | 20251119 |
| Wanhua Chem | China national standards | MT | 924.41 | USD | 20251118 |
| 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 |