| Vendor | Spec | Unit | Price | Currency | Date |
| Shenmu Fuyou | China national standards | MT | 1042.18 | USD | 20260603 |
| Shandong Hualu | China national standards | MT | 1114.63 | USD | 20260603 |
| Shandong Hualu | China national standards | MT | 1114.76 | USD | 20260529 |
| Shandong Hualu | China national standards | MT | 1112.88 | USD | 20260527 |
| Shandong Hualu | China national standards | MT | USD | 20260526 | |
| Shenmu Fuyou | China national standards | MT | USD | 20260526 | |
| Shenmu CoalChem | China national standards | MT | USD | 20260509 | |
| Shandong Hualu | China national standards | MT | USD | 20260509 | |
| Shenmu CoalChem | China national standards | MT | USD | 20260508 | |
| Shandong Hualu | China national standards | MT | USD | 20260508 |