| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 12450.0 | USD | 20190501 |
| Unknown | China national standards | MT | 83570.0 | USD | 20190501 |
| Unknown | China national standards | MT | 3180.0 | USD | 20190501 |
| Unknown | China national standards | MT | 470.0 | USD | 20190501 |
| Unknown | China national standards | MT | 280.0 | USD | 20190421 |
| Unknown | China national standards | MT | 1900.0 | USD | 20190421 |
| Unknown | China national standards | MT | 280.0 | USD | 20190420 |
| Unknown | China national standards | MT | 1900.0 | USD | 20190419 |
| Unknown | China national standards | MT | 710.0 | USD | 20190417 |
| Unknown | China national standards | MT | 4760.0 | USD | 20190413 |