| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 19390.0 | USD | 20190811 |
| Unknown | China national standards | MT | 25700.0 | USD | 20190801 |
| Unknown | China national standards | MT | 2860.0 | USD | 20190801 |
| Unknown | China national standards | MT | 19330.0 | USD | 20190801 |
| Unknown | China national standards | MT | 19320.0 | USD | 20190801 |
| Unknown | China national standards | MT | 2810.0 | USD | 20190801 |
| Unknown | China national standards | MT | 2810.0 | USD | 20190723 |
| Unknown | China national standards | MT | 19400.0 | USD | 20190718 |
| Unknown | China national standards | MT | 2820.0 | USD | 20190713 |
| Unknown | China national standards | MT | 2810.0 | USD | 20190710 |