| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guohong Chem | China national standards | MT | 304.86 | USD | 20260108 |
| Yankuang Guohong Chem | China national standards | MT | 304.86 | USD | 20260108 |
| Yankuang Guohong Chem | China national standards | MT | 310.6 | USD | 20260107 |
| Yankuang Guohong Chem | China national standards | MT | 310.6 | USD | 20260107 |
| Mingquan | China national standards | MT | 310.15 | USD | 20251231 |
| Yankuang Guohong Chem | China national standards | MT | 307.31 | USD | 20251231 |
| Shandong Energy | China national standards | MT | 304.2 | USD | 20251230 |
| Methanex Shanghai | China national standards | MT | 51.17 | USD | 20251230 |
| Unknown | China national standards | MT | 297.09 | USD | 20251230 |
| Shandong Energy | China national standards | MT | 304.2 | USD | 20251230 |