| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 290.0 | USD | 20180513 |
| Unknown | China national standards | MT | 460.0 | USD | 20180513 |
| Unknown | China national standards | MT | 1660.0 | USD | 20180512 |
| Unknown | China national standards | MT | 460.0 | USD | 20180511 |
| Unknown | China national standards | MT | 560.0 | USD | 20180510 |
| Unknown | China national standards | MT | 3020.0 | USD | 20180510 |
| Unknown | China national standards | MT | 610.0 | USD | 20180501 |
| Unknown | China national standards | MT | 1390.0 | USD | 20180501 |
| Unknown | China national standards | MT | 1860.0 | USD | 20180501 |
| Unknown | China national standards | MT | 4910.0 | USD | 20180501 |