| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 320.0 | USD | 20180519 |
| Unknown | China national standards | MT | 330.0 | USD | 20180519 |
| Unknown | China national standards | MT | 1050.0 | USD | 20180519 |
| Unknown | China national standards | MT | 40.0 | USD | 20180518 |
| Unknown | China national standards | MT | 40.0 | USD | 20180516 |
| Unknown | China national standards | MT | 2700.0 | USD | 20180514 |
| Unknown | China national standards | MT | 120.0 | USD | 20180513 |
| Unknown | China national standards | MT | 260.0 | USD | 20180512 |
| Unknown | China national standards | MT | 50.0 | USD | 20180511 |
| Unknown | China national standards | MT | 50.0 | USD | 20180511 |