| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 400.0 | USD | 20190101 |
| Unknown | China national standards | MT | 340.0 | USD | 20190101 |
| Unknown | China national standards | MT | 3340.0 | USD | 20181223 |
| Unknown | China national standards | MT | 2250.0 | USD | 20181222 |
| Unknown | China national standards | MT | 400.0 | USD | 20181222 |
| Unknown | China national standards | MT | 3340.0 | USD | 20181221 |
| Unknown | China national standards | MT | 2240.0 | USD | 20181220 |
| Unknown | China national standards | MT | 330.0 | USD | 20181220 |
| Unknown | China national standards | MT | 2240.0 | USD | 20181219 |
| Unknown | China national standards | MT | 4950.0 | USD | 20181219 |