| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1850.0 | USD | 20190501 |
| Unknown | China national standards | MT | 1600.0 | USD | 20190423 |
| Unknown | China national standards | MT | 250.0 | USD | 20190423 |
| Unknown | China national standards | MT | 1730.0 | USD | 20190422 |
| Unknown | China national standards | MT | 240.0 | USD | 20190422 |
| Unknown | China national standards | MT | 1630.0 | USD | 20190422 |
| Unknown | China national standards | MT | 240.0 | USD | 20190421 |
| Unknown | China national standards | MT | 260.0 | USD | 20190421 |
| Unknown | China national standards | MT | 220.0 | USD | 20190419 |
| Unknown | China national standards | MT | 1450.0 | USD | 20190419 |