| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 600.0 | USD | 20191201 |
| Unknown | China national standards | MT | 100.0 | USD | 20191201 |
| Unknown | China national standards | MT | 100.0 | USD | 20191201 |
| Unknown | China national standards | MT | 670.0 | USD | 20191201 |
| Unknown | China national standards | MT | 220.0 | USD | 20191201 |
| Unknown | China national standards | MT | 220.0 | USD | 20191201 |
| Unknown | China national standards | MT | 640.0 | USD | 20191123 |
| Unknown | China national standards | MT | 100.0 | USD | 20191123 |
| Unknown | China national standards | MT | 220.0 | USD | 20191123 |
| Unknown | China national standards | MT | 100.0 | USD | 20191122 |