| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 500.0 | USD | 20190101 |
| Unknown | China national standards | MT | 770.0 | USD | 20190101 |
| Unknown | China national standards | MT | 800.0 | USD | 20181220 |
| Unknown | China national standards | MT | 560.0 | USD | 20181219 |
| Unknown | China national standards | MT | 5150.0 | USD | 20181219 |
| Unknown | China national standards | MT | 540.0 | USD | 20181218 |
| Unknown | China national standards | MT | 720.0 | USD | 20181216 |
| Unknown | China national standards | MT | 110.0 | USD | 20181216 |
| Unknown | China national standards | MT | 740.0 | USD | 20181216 |
| Unknown | China national standards | MT | 110.0 | USD | 20181216 |