| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 3870.0 | USD | 20190501 |
| Unknown | China national standards | MT | 4280.0 | USD | 20190501 |
| Unknown | China national standards | MT | 200.0 | USD | 20190501 |
| Unknown | China national standards | MT | 80.0 | USD | 20190423 |
| Unknown | China national standards | MT | 520.0 | USD | 20190423 |
| Unknown | China national standards | MT | 160.0 | USD | 20190423 |
| Unknown | China national standards | MT | 180.0 | USD | 20190423 |
| Unknown | China national standards | MT | 8100.0 | USD | 20190423 |
| Unknown | China national standards | MT | 260.0 | USD | 20190422 |
| Unknown | China national standards | MT | 610.0 | USD | 20190422 |