| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 7260.0 | USD | 20190501 |
| Unknown | China national standards | MT | 5380.0 | USD | 20190501 |
| Unknown | China national standards | MT | 1220.0 | USD | 20190501 |
| Unknown | China national standards | MT | 1110.0 | USD | 20190501 |
| Unknown | China national standards | MT | 990.0 | USD | 20190423 |
| Unknown | China national standards | MT | 800.0 | USD | 20190423 |
| Unknown | China national standards | MT | 1290.0 | USD | 20190421 |
| Unknown | China national standards | MT | 1100.0 | USD | 20190420 |
| Unknown | China national standards | MT | 5400.0 | USD | 20190420 |
| Unknown | China national standards | MT | 8650.0 | USD | 20190418 |