| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 3510.0 | USD | 20190313 |
| Unknown | China national standards | MT | 3280.0 | USD | 20190313 |
| Unknown | China national standards | MT | 4920.0 | USD | 20190313 |
| Unknown | China national standards | MT | 4130.0 | USD | 20190312 |
| Unknown | China national standards | MT | 610.0 | USD | 20190312 |
| Unknown | China national standards | MT | 4010.0 | USD | 20190311 |
| Unknown | China national standards | MT | 470.0 | USD | 20190310 |
| Unknown | China national standards | MT | 50.0 | USD | 20190310 |
| Unknown | China national standards | MT | 410.0 | USD | 20190310 |
| Unknown | China national standards | MT | 430.0 | USD | 20190301 |