| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 660.0 | USD | 20190515 |
| Unknown | China national standards | MT | 3760.0 | USD | 20190515 |
| Unknown | China national standards | MT | 5070.0 | USD | 20190514 |
| Unknown | China national standards | MT | 760.0 | USD | 20190514 |
| Unknown | China national standards | MT | 1010.0 | USD | 20190512 |
| Unknown | China national standards | MT | 540.0 | USD | 20190510 |
| Unknown | China national standards | MT | 100.0 | USD | 20190510 |
| Unknown | China national standards | MT | 680.0 | USD | 20190501 |
| Unknown | China national standards | MT | 5110.0 | USD | 20190501 |
| Unknown | China national standards | MT | 6840.0 | USD | 20190501 |