| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 220.0 | USD | 20180515 |
| Unknown | China national standards | MT | 220.0 | USD | 20180514 |
| Unknown | China national standards | MT | 1180.0 | USD | 20180513 |
| Unknown | China national standards | MT | 1370.0 | USD | 20180512 |
| Unknown | China national standards | MT | 1390.0 | USD | 20180512 |
| Unknown | China national standards | MT | 1130.0 | USD | 20180512 |
| Unknown | China national standards | MT | 1130.0 | USD | 20180511 |
| Unknown | China national standards | MT | 1080.0 | USD | 20180511 |
| Unknown | China national standards | MT | 170.0 | USD | 20180510 |
| Unknown | China national standards | MT | 1380.0 | USD | 20180501 |