| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1740.0 | USD | 20180601 |
| Unknown | China national standards | MT | 2580.0 | USD | 20180601 |
| Unknown | China national standards | MT | 270.0 | USD | 20180522 |
| Unknown | China national standards | MT | 3340.0 | USD | 20180522 |
| Unknown | China national standards | MT | 1770.0 | USD | 20180520 |
| Unknown | China national standards | MT | 270.0 | USD | 20180519 |
| Unknown | China national standards | MT | 460.0 | USD | 20180519 |
| Unknown | China national standards | MT | 280.0 | USD | 20180518 |
| Unknown | China national standards | MT | 2640.0 | USD | 20180516 |
| Unknown | China national standards | MT | 530.0 | USD | 20180515 |