| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 520.0 | USD | 20200501 |
| Unknown | China national standards | MT | 520.0 | USD | 20200501 |
| Unknown | China national standards | MT | 510.0 | USD | 20200501 |
| Unknown | China national standards | MT | 3670.0 | USD | 20200423 |
| Unknown | China national standards | MT | 520.0 | USD | 20200422 |
| Unknown | China national standards | MT | 3350.0 | USD | 20200421 |
| Unknown | China national standards | MT | 540.0 | USD | 20200421 |
| Unknown | China national standards | MT | 3560.0 | USD | 20200421 |
| Unknown | China national standards | MT | 3660.0 | USD | 20200420 |
| Unknown | China national standards | MT | 510.0 | USD | 20200419 |