| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Energy | China national standards | MT | 306.8 | USD | 20260116 |
| Shandong Energy | China national standards | MT | 308.12 | USD | 20260113 |
| Shandong Energy | China national standards | MT | 308.12 | USD | 20260113 |
| Shandong Energy | China national standards | MT | 264.59 | USD | 20260112 |
| Shandong Energy | China national standards | MT | 264.59 | USD | 20260112 |
| Shandong Energy | China national standards | MT | 304.14 | USD | 20260109 |
| 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 |