| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 4100.0 | USD | 20190520 |
| Unknown | China national standards | MT | 4110.0 | USD | 20190518 |
| Unknown | China national standards | MT | 28350.0 | USD | 20190516 |
| Unknown | China national standards | MT | 28350.0 | USD | 20190516 |
| Unknown | China national standards | MT | 4270.0 | USD | 20190512 |
| Unknown | China national standards | MT | 4270.0 | USD | 20190512 |
| Unknown | China national standards | MT | 27850.0 | USD | 20190501 |
| Unknown | China national standards | MT | 28210.0 | USD | 20190501 |
| Unknown | China national standards | MT | 4150.0 | USD | 20190501 |
| Unknown | China national standards | MT | 27850.0 | USD | 20190501 |