| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1320.0 | USD | 20180423 |
| Unknown | China national standards | MT | 1180.0 | USD | 20180423 |
| Unknown | China national standards | MT | 640.0 | USD | 20180421 |
| Unknown | China national standards | MT | 1090.0 | USD | 20180420 |
| Unknown | China national standards | MT | 360.0 | USD | 20180420 |
| Unknown | China national standards | MT | 170.0 | USD | 20180416 |
| Unknown | China national standards | MT | 190.0 | USD | 20180414 |
| Unknown | China national standards | MT | 2290.0 | USD | 20180414 |
| Unknown | China national standards | MT | 190.0 | USD | 20180414 |
| Unknown | China national standards | MT | 190.0 | USD | 20180413 |