| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 160.0 | USD | 20180501 |
| Unknown | China national standards | MT | 2640.0 | USD | 20180423 |
| Unknown | China national standards | MT | 110.0 | USD | 20180423 |
| Unknown | China national standards | MT | 700.0 | USD | 20180421 |
| Unknown | China national standards | MT | 2650.0 | USD | 20180421 |
| Unknown | China national standards | MT | 730.0 | USD | 20180420 |
| Unknown | China national standards | MT | 160.0 | USD | 20180420 |
| Unknown | China national standards | MT | 110.0 | USD | 20180420 |
| Unknown | China national standards | MT | 1040.0 | USD | 20180419 |
| Unknown | China national standards | MT | 700.0 | USD | 20180419 |