| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 280.0 | USD | 20190423 |
| Unknown | China national standards | MT | 400.0 | USD | 20190422 |
| Unknown | China national standards | MT | 2150.0 | USD | 20190422 |
| Unknown | China national standards | MT | 280.0 | USD | 20190420 |
| Unknown | China national standards | MT | 320.0 | USD | 20190420 |
| Unknown | China national standards | MT | 2680.0 | USD | 20190419 |
| Unknown | China national standards | MT | 1910.0 | USD | 20190418 |
| Unknown | China national standards | MT | 280.0 | USD | 20190417 |
| Unknown | China national standards | MT | 390.0 | USD | 20190416 |
| Unknown | China national standards | MT | 1900.0 | USD | 20190415 |