| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 170.0 | USD | 20190518 |
| Unknown | China national standards | MT | 1250.0 | USD | 20190516 |
| Unknown | China national standards | MT | 190.0 | USD | 20190501 |
| Unknown | China national standards | MT | 1160.0 | USD | 20190501 |
| Unknown | China national standards | MT | 1160.0 | USD | 20190501 |
| Unknown | China national standards | MT | 1270.0 | USD | 20190501 |
| Unknown | China national standards | MT | 210.0 | USD | 20190421 |
| Unknown | China national standards | MT | 1130.0 | USD | 20190421 |
| Unknown | China national standards | MT | 170.0 | USD | 20190420 |
| Unknown | China national standards | MT | 1270.0 | USD | 20190420 |