| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong RichBillows | AF-0 | MT | 1577.0 | USD | 20251014 |
| Shandong RichBillows | AF-0 | MT | 1577.31 | USD | 20251013 |
| Shandong RichBillows | China national standards | MT | 1576.4 | USD | 20251011 |
| Shandong RichBillows | AF-0 | MT | 1576.4 | USD | 20251010 |
| Shandong RichBillows | AF-0 | MT | 1575.2 | USD | 20251009 |
| Shandong RichBillows | AF-0 | MT | 1576.24 | USD | 20250930 |
| Shandong RichBillows | AF-0 | MT | 1575.49 | USD | 20250929 |