| Vendor | Spec | Unit | Price | Currency | Date |
| Methanex Shanghai | China national standards | MT | 51.17 | USD | 20251230 |
| Inner Mongolia Xinao | China national standards | MT | 255.93 | USD | 20251229 |
| Mingquan | China national standards | MT | 312.81 | USD | 20251229 |
| Shandong Energy | China national standards | MT | 261.62 | USD | 20251229 |
| Mingquan | China national standards | MT | 312.81 | USD | 20251229 |
| Yankuang Yulin Chem | China national standards | MT | 265.78 | USD | 20251226 |
| Yankuang Yulin Chem | China national standards | MT | 265.78 | USD | 20251226 |
| Unknown | China national standards | MT | 620.0 | USD | 20210323 |
| Unknown | China national standards | MT | 50.0 | USD | 20210323 |
| Unknown | China national standards | MT | 50.0 | USD | 20210323 |