| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1780.0 | USD | 20190601 |
| Unknown | China national standards | MT | 1630.0 | USD | 20190601 |
| Unknown | China national standards | MT | 9030.0 | USD | 20190601 |
| Unknown | China national standards | MT | 10080.0 | USD | 20190601 |
| Unknown | China national standards | MT | 3110.0 | USD | 20190523 |
| Unknown | China national standards | MT | 310.0 | USD | 20190521 |
| Unknown | China national standards | MT | 9260.0 | USD | 20190520 |
| Unknown | China national standards | MT | 3110.0 | USD | 20190520 |
| Unknown | China national standards | MT | 9380.0 | USD | 20190519 |
| Unknown | China national standards | MT | 5470.0 | USD | 20190519 |