| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Oxygen | China national standards | MT | 130.17 | USD | 20260328 |
| Wuhan Oxygen | China national standards | MT | 130.17 | USD | 20260327 |
| Wuhan Oxygen | China national standards | MT | 130.33 | USD | 20260326 |
| Wuhan Oxygen | China national standards | MT | 130.6 | USD | 20260325 |
| Wuhan Oxygen | China national standards | MT | 130.54 | USD | 20260324 |