| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 100.0 | USD | 20190501 |
| Unknown | China national standards | MT | 160.0 | USD | 20190501 |
| Unknown | China national standards | MT | 220.0 | USD | 20190501 |
| Unknown | China national standards | MT | 920.0 | USD | 20190501 |
| Unknown | China national standards | MT | 1000.0 | USD | 20190501 |
| Unknown | China national standards | MT | 800.0 | USD | 20190501 |
| Unknown | China national standards | MT | 740.0 | USD | 20190501 |
| Unknown | China national standards | MT | 700.0 | USD | 20190501 |
| Unknown | China national standards | MT | 730.0 | USD | 20190501 |
| Unknown | China national standards | MT | 1070.0 | USD | 20190501 |