| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 1336.03 | USD | 20250922 |
| Wanhua Chem | China national standards | MT | 984.45 | USD | 20250922 |
| Wanhua Chem | China national standards | MT | 1335.62 | USD | 20250920 |
| Wanhua Chem | China national standards | MT | 984.14 | USD | 20250920 |
| Wanhua Chem | China national standards | MT | 1335.62 | USD | 20250919 |
| Wanhua Chem | China national standards | MT | 984.14 | USD | 20250919 |
| Wanhua Chem | China national standards | MT | 984.74 | USD | 20250918 |
| Wanhua Chem | China national standards | MT | 1336.43 | USD | 20250918 |
| Wanhua Chem | China national standards | MT | 1337.78 | USD | 20250917 |
| Wanhua Chem | China national standards | MT | 985.74 | USD | 20250917 |