| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1380.0 | USD | 20190601 |
| Unknown | China national standards | MT | 1020.0 | USD | 20190601 |
| Unknown | China national standards | MT | 200.0 | USD | 20190523 |
| Unknown | China national standards | MT | 180.0 | USD | 20190523 |
| Unknown | China national standards | MT | 1000.0 | USD | 20190523 |
| Unknown | China national standards | MT | 1030.0 | USD | 20190523 |
| Unknown | China national standards | MT | 1170.0 | USD | 20190522 |
| Unknown | China national standards | MT | 150.0 | USD | 20190521 |
| Unknown | China national standards | MT | 150.0 | USD | 20190521 |
| Unknown | China national standards | MT | 1210.0 | USD | 20190520 |