| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 250.0 | USD | 20190315 |
| Unknown | China national standards | MT | 1650.0 | USD | 20190315 |
| Unknown | China national standards | MT | 230.0 | USD | 20190314 |
| Unknown | China national standards | MT | 1870.0 | USD | 20190313 |
| Unknown | China national standards | MT | 420.0 | USD | 20190313 |
| Unknown | China national standards | MT | 230.0 | USD | 20190312 |
| Unknown | China national standards | MT | 1510.0 | USD | 20190312 |
| Unknown | China national standards | MT | 1650.0 | USD | 20190312 |
| Unknown | China national standards | MT | 220.0 | USD | 20190312 |
| Unknown | China national standards | MT | 420.0 | USD | 20190311 |