| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 90.0 | USD | 20200401 |
| Unknown | China national standards | MT | 610.0 | USD | 20200401 |
| Unknown | China national standards | MT | 60.0 | USD | 20200401 |
| Unknown | China national standards | MT | 60.0 | USD | 20200401 |
| Unknown | China national standards | MT | 740.0 | USD | 20200322 |
| Unknown | China national standards | MT | 750.0 | USD | 20200322 |
| Unknown | China national standards | MT | 110.0 | USD | 20200321 |
| Unknown | China national standards | MT | 770.0 | USD | 20200318 |
| Unknown | China national standards | MT | 760.0 | USD | 20200318 |
| Unknown | China national standards | MT | 110.0 | USD | 20200318 |