| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1630.0 | USD | 20180417 |
| Unknown | China national standards | MT | 6080.0 | USD | 20180416 |
| Unknown | China national standards | MT | 1000.0 | USD | 20180415 |
| Unknown | China national standards | MT | 10320.0 | USD | 20180413 |
| Unknown | China national standards | MT | 1000.0 | USD | 20180413 |
| Unknown | China national standards | MT | 2100.0 | USD | 20180411 |
| Unknown | China national standards | MT | 13250.0 | USD | 20180410 |
| Unknown | China national standards | MT | 6220.0 | USD | 20180410 |
| Unknown | China national standards | MT | 1630.0 | USD | 20180401 |
| Unknown | China national standards | MT | 990.0 | USD | 20180401 |