| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 15680.0 | USD | 20180601 |
| Unknown | China national standards | MT | 99980.0 | USD | 20180601 |
| Unknown | China national standards | MT | 16020.0 | USD | 20180523 |
| Unknown | China national standards | MT | 99440.0 | USD | 20180523 |
| Unknown | China national standards | MT | 16130.0 | USD | 20180514 |
| Unknown | China national standards | MT | 15890.0 | USD | 20180512 |
| Unknown | China national standards | MT | 15830.0 | USD | 20180510 |
| Unknown | China national standards | MT | 101850.0 | USD | 20180501 |
| Unknown | China national standards | MT | 100050.0 | USD | 20180501 |
| Unknown | China national standards | MT | 101850.0 | USD | 20180501 |