| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chem | China national standards | MT | 793.59 | USD | 20260107 |
| Yankuang Guotai Chem | China national standards | MT | 793.75 | USD | 20260106 |
| Yankuang Guotai Chem | China national standards | MT | 793.75 | USD | 20260106 |
| Yankuang Guotai Chem | China national standards | MT | 793.75 | USD | 20260106 |
| Yankuang Guotai Chem | China national standards | MT | 791.68 | USD | 20260105 |
| Yankuang Guotai Chem | China national standards | MT | 791.03 | USD | 20260104 |
| Yankuang Guotai Chem | China national standards | MT | 791.03 | USD | 20260104 |
| Yankuang Guotai Chem | China national standards | MT | 791.03 | USD | 20260104 |
| Yankuang Guotai Chem | China national standards | MT | 794.62 | USD | 20251230 |
| Yankuang Guotai Chem | China national standards | MT | 711.6 | USD | 20251211 |