| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 830.34 | USD | 20250930 |
| Wanhua Chem | China national standards | MT | 1020.34 | USD | 20250930 |
| Wanhua Chem | China national standards | MT | 2153.26 | USD | 20250930 |
| Wanhua Chem | China national standards | MT | 759.97 | USD | 20250930 |
| Wanhua Chem | China national standards | MT | 759.97 | USD | 20250930 |
| Wanhua Chem | China national standards | MT | 829.95 | USD | 20250929 |
| Wanhua Chem | China national standards | MT | 1019.85 | USD | 20250929 |
| Wanhua Chem | China national standards | MT | 759.61 | USD | 20250929 |
| Wanhua Chem | China national standards | MT | 2150.33 | USD | 20250928 |
| Wanhua Chem | China national standards | MT | 1018.95 | USD | 20250928 |