| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 200.0 | USD | 20191201 |
| Unknown | China national standards | MT | 420.0 | USD | 20191201 |
| Unknown | China national standards | MT | 420.0 | USD | 20191201 |
| Unknown | China national standards | MT | 50.0 | USD | 20191123 |
| Unknown | China national standards | MT | 1250.0 | USD | 20191123 |
| Unknown | China national standards | MT | 40.0 | USD | 20191122 |
| Unknown | China national standards | MT | 70.0 | USD | 20191122 |
| Unknown | China national standards | MT | 900.0 | USD | 20191122 |
| Unknown | China national standards | MT | 60.0 | USD | 20191122 |
| Unknown | China national standards | MT | 70.0 | USD | 20191122 |