| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 100.0 | USD | 20191122 |
| Unknown | China national standards | MT | 100.0 | USD | 20191122 |
| Unknown | China national standards | MT | 90.0 | USD | 20191121 |
| Unknown | China national standards | MT | 640.0 | USD | 20191121 |
| Unknown | China national standards | MT | 100.0 | USD | 20191121 |
| Unknown | China national standards | MT | 100.0 | USD | 20191121 |
| Unknown | China national standards | MT | 680.0 | USD | 20191120 |
| Unknown | China national standards | MT | 680.0 | USD | 20191118 |
| Unknown | China national standards | MT | 90.0 | USD | 20191117 |
| Unknown | China national standards | MT | 670.0 | USD | 20191116 |