| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 80.0 | USD | 20200501 |
| Unknown | China national standards | MT | 60.0 | USD | 20200501 |
| Unknown | China national standards | MT | 110.0 | USD | 20200501 |
| Unknown | China national standards | MT | 60.0 | USD | 20200501 |
| Unknown | China national standards | MT | 590.0 | USD | 20200423 |
| Unknown | China national standards | MT | 560.0 | USD | 20200421 |
| Unknown | China national standards | MT | 60.0 | USD | 20200421 |
| Unknown | China national standards | MT | 430.0 | USD | 20200420 |
| Unknown | China national standards | MT | 60.0 | USD | 20200420 |
| Unknown | China national standards | MT | 60.0 | USD | 20200420 |