| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1020.0 | USD | 20180520 |
| Unknown | China national standards | MT | 980.0 | USD | 20180520 |
| Unknown | China national standards | MT | 1060.0 | USD | 20180519 |
| Unknown | China national standards | MT | 160.0 | USD | 20180518 |
| Unknown | China national standards | MT | 970.0 | USD | 20180518 |
| Unknown | China national standards | MT | 160.0 | USD | 20180515 |
| Unknown | China national standards | MT | 1050.0 | USD | 20180514 |
| Unknown | China national standards | MT | 160.0 | USD | 20180513 |
| Unknown | China national standards | MT | 160.0 | USD | 20180511 |
| Unknown | China national standards | MT | 1130.0 | USD | 20180510 |