| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 220.0 | USD | 20190317 |
| Unknown | China national standards | MT | 230.0 | USD | 20190314 |
| Unknown | China national standards | MT | 1460.0 | USD | 20190314 |
| Unknown | China national standards | MT | 230.0 | USD | 20190313 |
| Unknown | China national standards | MT | 1460.0 | USD | 20190312 |
| Unknown | China national standards | MT | 230.0 | USD | 20190311 |
| Unknown | China national standards | MT | 220.0 | USD | 20190311 |
| Unknown | China national standards | MT | 1610.0 | USD | 20190311 |
| Unknown | China national standards | MT | 220.0 | USD | 20190310 |
| Unknown | China national standards | MT | 1500.0 | USD | 20190310 |