| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 4170.0 | USD | 20180511 |
| Unknown | China national standards | MT | 670.0 | USD | 20180501 |
| Unknown | China national standards | MT | 470.0 | USD | 20180501 |
| Unknown | China national standards | MT | 350.0 | USD | 20180501 |
| Unknown | China national standards | MT | 4700.0 | USD | 20180416 |
| Unknown | China national standards | MT | 2820.0 | USD | 20180416 |
| Unknown | China national standards | MT | 2820.0 | USD | 20180413 |
| Unknown | China national standards | MT | 740.0 | USD | 20180411 |
| Unknown | China national standards | MT | 4700.0 | USD | 20180401 |
| Unknown | China national standards | MT | 440.0 | USD | 20180401 |