| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 140.0 | USD | 20191121 |
| Unknown | China national standards | MT | 940.0 | USD | 20191120 |
| Unknown | China national standards | MT | 860.0 | USD | 20191119 |
| Unknown | China national standards | MT | 1710.0 | USD | 20191119 |
| Unknown | China national standards | MT | 120.0 | USD | 20191119 |
| Unknown | China national standards | MT | 1750.0 | USD | 20191119 |
| Unknown | China national standards | MT | 160.0 | USD | 20191117 |
| Unknown | China national standards | MT | 970.0 | USD | 20191116 |
| Unknown | China national standards | MT | 100.0 | USD | 20191116 |
| Unknown | China national standards | MT | 1110.0 | USD | 20191115 |