| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 988.2 | USD | 20251107 |
| Wanhua Chem | China national standards | MT | 987.79 | USD | 20251106 |
| Wanhua Chem | China national standards | MT | 1340.58 | USD | 20251106 |
| Wanhua Chem | China national standards | MT | 987.29 | USD | 20251105 |
| Wanhua Chem | China national standards | MT | 1339.9 | USD | 20251105 |
| Wanhua Chem | China national standards | MT | 1340.2 | USD | 20251104 |
| Wanhua Chem | China national standards | MT | 987.51 | USD | 20251104 |
| Wanhua Chem | China national standards | MT | 1340.54 | USD | 20251103 |
| Wanhua Chem | China national standards | MT | 987.77 | USD | 20251103 |
| Wanhua Chem | China national standards | MT | 1340.29 | USD | 20251101 |