| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 430.0 | USD | 20191119 |
| Unknown | China national standards | MT | 740.0 | USD | 20191118 |
| Unknown | China national standards | MT | 950.0 | USD | 20191118 |
| Unknown | China national standards | MT | 4240.0 | USD | 20191118 |
| Unknown | China national standards | MT | 590.0 | USD | 20191117 |
| Unknown | China national standards | MT | 3840.0 | USD | 20191117 |
| Unknown | China national standards | MT | 3840.0 | USD | 20191116 |
| Unknown | China national standards | MT | 950.0 | USD | 20191114 |
| Unknown | China national standards | MT | 3050.0 | USD | 20191112 |
| Unknown | China national standards | MT | 5220.0 | USD | 20191112 |