| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1600.0 | USD | 20180523 |
| Unknown | China national standards | MT | 250.0 | USD | 20180522 |
| Unknown | China national standards | MT | 1530.0 | USD | 20180521 |
| Unknown | China national standards | MT | 240.0 | USD | 20180517 |
| Unknown | China national standards | MT | 1540.0 | USD | 20180514 |
| Unknown | China national standards | MT | 260.0 | USD | 20180513 |
| Unknown | China national standards | MT | 1680.0 | USD | 20180511 |
| Unknown | China national standards | MT | 1650.0 | USD | 20180511 |
| Unknown | China national standards | MT | 240.0 | USD | 20180510 |
| Unknown | China national standards | MT | 270.0 | USD | 20180510 |