| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong JinkongRM | China national standards | MT | 233.91 | USD | 20260514 |
| Shandong JinkongRM | China national standards | MT | 233.81 | USD | 20260513 |
| Shandong JinkongRM | China national standards | MT | 233.83 | USD | 20260512 |
| Shandong JinkongRM | China national standards | MT | 233.69 | USD | 20260511 |
| Shandong JinkongRM | China national standards | MT | 233.57 | USD | 20260509 |
| Shandong JinkongRM | China national standards | MT | 233.57 | USD | 20260508 |
| Shandong JinkongRM | China national standards | MT | 233.62 | USD | 20260507 |
| Shandong JinkongRM | China national standards | MT | USD | 20260506 | |
| Shandong JinkongRM | China national standards | MT | USD | 20260430 | |
| Shandong JinkongRM | China national standards | MT | USD | 20260429 |