| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 551190.0 | USD | 20191001 |
| Unknown | China national standards | MT | 77690.0 | USD | 20191001 |
| Unknown | China national standards | MT | 549520.0 | USD | 20191001 |
| Unknown | China national standards | MT | 85080.0 | USD | 20191001 |
| Unknown | China national standards | MT | 551350.0 | USD | 20190923 |
| Unknown | China national standards | MT | 78980.0 | USD | 20190921 |
| Unknown | China national standards | MT | 78290.0 | USD | 20190920 |
| Unknown | China national standards | MT | 555350.0 | USD | 20190913 |
| Unknown | China national standards | MT | 550220.0 | USD | 20190901 |
| Unknown | China national standards | MT | 78120.0 | USD | 20190901 |