| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 730.0 | USD | 20190523 |
| Unknown | China national standards | MT | 730.0 | USD | 20190522 |
| Unknown | China national standards | MT | 160.0 | USD | 20190516 |
| Unknown | China national standards | MT | 160.0 | USD | 20190515 |
| Unknown | China national standards | MT | 1050.0 | USD | 20190515 |
| Unknown | China national standards | MT | 1050.0 | USD | 20190514 |
| Unknown | China national standards | MT | 110.0 | USD | 20190512 |
| Unknown | China national standards | MT | 110.0 | USD | 20190501 |
| Unknown | China national standards | MT | 1060.0 | USD | 20190421 |
| Unknown | China national standards | MT | 750.0 | USD | 20190420 |