| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1190.0 | USD | 20190315 |
| Unknown | China national standards | MT | 1190.0 | USD | 20190313 |
| Unknown | China national standards | MT | 9770.0 | USD | 20190313 |
| Unknown | China national standards | MT | 8060.0 | USD | 20190312 |
| Unknown | China national standards | MT | 1210.0 | USD | 20190312 |
| Unknown | China national standards | MT | 8050.0 | USD | 20190311 |
| Unknown | China national standards | MT | 5050.0 | USD | 20190301 |
| Unknown | China national standards | MT | 9800.0 | USD | 20190301 |
| Unknown | China national standards | MT | 5050.0 | USD | 20190301 |
| Unknown | China national standards | MT | 8180.0 | USD | 20190301 |