| Vendor | Spec | Unit | Price | Currency | Date |
| Kunming Tianchuang | China national standards | MT | 1475.25 | USD | 20260327 |
| Kunming Tianchuang | China national standards | MT | 1477.06 | USD | 20260326 |
| Kunming Tianchuang | China national standards | MT | 1480.17 | USD | 20260325 |
| Kunming Tianchuang | China national standards | MT | 1479.48 | USD | 20260324 |
| Kunming Tianchuang | China national standards | MT | 1477.38 | USD | 20260323 |