| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 1340.27 | USD | 20251027 |
| Wanhua Chem | China national standards | MT | 987.57 | USD | 20251027 |
| Wanhua Chem | China national standards | MT | 986.92 | USD | 20251025 |
| Wanhua Chem | China national standards | MT | 986.92 | USD | 20251024 |
| Wanhua Chem | China national standards | MT | 1339.39 | USD | 20251024 |
| Wanhua Chem | China national standards | MT | 987.06 | USD | 20251023 |
| Wanhua Chem | China national standards | MT | 1339.58 | USD | 20251023 |
| Wanhua Chem | China national standards | MT | 986.55 | USD | 20251022 |
| Wanhua Chem | China national standards | MT | 1339.35 | USD | 20251021 |
| Wanhua Chem | China national standards | MT | 986.89 | USD | 20251021 |