| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 700.0 | USD | 20190315 |
| Unknown | China national standards | MT | 4860.0 | USD | 20190314 |
| Unknown | China national standards | MT | 7370.0 | USD | 20190313 |
| Unknown | China national standards | MT | 4570.0 | USD | 20190313 |
| Unknown | China national standards | MT | 760.0 | USD | 20190312 |
| Unknown | China national standards | MT | 760.0 | USD | 20190312 |
| Unknown | China national standards | MT | 1070.0 | USD | 20190312 |
| Unknown | China national standards | MT | 680.0 | USD | 20190312 |
| Unknown | China national standards | MT | 4810.0 | USD | 20190311 |
| Unknown | China national standards | MT | 900.0 | USD | 20190310 |