| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 2150.0 | USD | 20190422 |
| Unknown | China national standards | MT | 5140.0 | USD | 20190422 |
| Unknown | China national standards | MT | 320.0 | USD | 20190421 |
| Unknown | China national standards | MT | 1760.0 | USD | 20190421 |
| Unknown | China national standards | MT | 370.0 | USD | 20190420 |
| Unknown | China national standards | MT | 2180.0 | USD | 20190420 |
| Unknown | China national standards | MT | 330.0 | USD | 20190419 |
| Unknown | China national standards | MT | 430.0 | USD | 20190419 |
| Unknown | China national standards | MT | 320.0 | USD | 20190416 |
| Unknown | China national standards | MT | 460.0 | USD | 20190415 |