| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 23770.0 | USD | 20190201 |
| Unknown | China national standards | MT | 3940.0 | USD | 20190201 |
| Unknown | China national standards | MT | 3450.0 | USD | 20190201 |
| Unknown | China national standards | MT | 3450.0 | USD | 20190201 |
| Unknown | China national standards | MT | 3560.0 | USD | 20190123 |
| Unknown | China national standards | MT | 24790.0 | USD | 20190122 |
| Unknown | China national standards | MT | 22970.0 | USD | 20190121 |
| Unknown | China national standards | MT | 3340.0 | USD | 20190121 |
| Unknown | China national standards | MT | 3580.0 | USD | 20190119 |
| Unknown | China national standards | MT | 3460.0 | USD | 20190117 |