| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 100.0 | USD | 20191201 |
| Unknown | China national standards | MT | 540.0 | USD | 20191123 |
| Unknown | China national standards | MT | 100.0 | USD | 20191122 |
| Unknown | China national standards | MT | 100.0 | USD | 20191122 |
| Unknown | China national standards | MT | 120.0 | USD | 20191122 |
| Unknown | China national standards | MT | 3520.0 | USD | 20191122 |
| Unknown | China national standards | MT | 690.0 | USD | 20191122 |
| Unknown | China national standards | MT | 740.0 | USD | 20191122 |
| Unknown | China national standards | MT | 130.0 | USD | 20191121 |
| Unknown | China national standards | MT | 740.0 | USD | 20191121 |