| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 5930.0 | USD | 20190501 |
| Unknown | China national standards | MT | 680.0 | USD | 20190501 |
| Unknown | China national standards | MT | 860.0 | USD | 20190423 |
| Unknown | China national standards | MT | 6780.0 | USD | 20190423 |
| Unknown | China national standards | MT | 6950.0 | USD | 20190423 |
| Unknown | China national standards | MT | 740.0 | USD | 20190422 |
| Unknown | China national standards | MT | 6960.0 | USD | 20190422 |
| Unknown | China national standards | MT | 5170.0 | USD | 20190422 |
| Unknown | China national standards | MT | 5900.0 | USD | 20190421 |
| Unknown | China national standards | MT | 5400.0 | USD | 20190421 |