| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 880.0 | USD | 20200412 |
| Unknown | China national standards | MT | 850.0 | USD | 20200411 |
| Unknown | China national standards | MT | 150.0 | USD | 20200410 |
| Unknown | China national standards | MT | 150.0 | USD | 20200410 |
| Unknown | China national standards | MT | 820.0 | USD | 20200401 |
| Unknown | China national standards | MT | 890.0 | USD | 20200401 |
| Unknown | China national standards | MT | 980.0 | USD | 20200401 |
| Unknown | China national standards | MT | 120.0 | USD | 20200401 |
| Unknown | China national standards | MT | 50.0 | USD | 20200401 |
| Unknown | China national standards | MT | 130.0 | USD | 20200401 |