| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 3540.0 | USD | 20190513 |
| Unknown | China national standards | MT | 450.0 | USD | 20190513 |
| Unknown | China national standards | MT | 4060.0 | USD | 20190512 |
| Unknown | China national standards | MT | 2510.0 | USD | 20190511 |
| Unknown | China national standards | MT | 3250.0 | USD | 20190511 |
| Unknown | China national standards | MT | 3940.0 | USD | 20190511 |
| Unknown | China national standards | MT | 3160.0 | USD | 20190511 |
| Unknown | China national standards | MT | 470.0 | USD | 20190510 |
| Unknown | China national standards | MT | 530.0 | USD | 20190501 |
| Unknown | China national standards | MT | 470.0 | USD | 20190501 |