| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 400.0 | USD | 20191201 |
| Unknown | China national standards | MT | 100.0 | USD | 20191201 |
| Unknown | China national standards | MT | 270.0 | USD | 20191123 |
| Unknown | China national standards | MT | 1320.0 | USD | 20191123 |
| Unknown | China national standards | MT | 690.0 | USD | 20191123 |
| Unknown | China national standards | MT | 920.0 | USD | 20191123 |
| Unknown | China national standards | MT | 2930.0 | USD | 20191123 |
| Unknown | China national standards | MT | 880.0 | USD | 20191123 |
| Unknown | China national standards | MT | 660.0 | USD | 20191123 |
| Unknown | China national standards | MT | 650.0 | USD | 20191123 |