| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 60.0 | USD | 20200401 |
| Unknown | China national standards | MT | 70.0 | USD | 20200401 |
| Unknown | China national standards | MT | 390.0 | USD | 20200323 |
| Unknown | China national standards | MT | 390.0 | USD | 20200323 |
| Unknown | China national standards | MT | 70.0 | USD | 20200323 |
| Unknown | China national standards | MT | 60.0 | USD | 20200323 |
| Unknown | China national standards | MT | 60.0 | USD | 20200323 |
| Unknown | China national standards | MT | 390.0 | USD | 20200322 |
| Unknown | China national standards | MT | 370.0 | USD | 20200322 |
| Unknown | China national standards | MT | 380.0 | USD | 20200321 |