| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 360.0 | USD | 20190501 |
| Unknown | China national standards | MT | 370.0 | USD | 20190423 |
| Unknown | China national standards | MT | 780.0 | USD | 20190423 |
| Unknown | China national standards | MT | 1520.0 | USD | 20190423 |
| Unknown | China national standards | MT | 9220.0 | USD | 20190423 |
| Unknown | China national standards | MT | 310.0 | USD | 20190422 |
| Unknown | China national standards | MT | 7660.0 | USD | 20190422 |
| Unknown | China national standards | MT | 280.0 | USD | 20190422 |
| Unknown | China national standards | MT | 2050.0 | USD | 20190422 |
| Unknown | China national standards | MT | 280.0 | USD | 20190421 |