| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 2840.0 | USD | 20190422 |
| Unknown | China national standards | MT | 480.0 | USD | 20190421 |
| Unknown | China national standards | MT | 420.0 | USD | 20190421 |
| Unknown | China national standards | MT | 420.0 | USD | 20190421 |
| Unknown | China national standards | MT | 3100.0 | USD | 20190421 |
| Unknown | China national standards | MT | 480.0 | USD | 20190417 |
| Unknown | China national standards | MT | 480.0 | USD | 20190416 |
| Unknown | China national standards | MT | 460.0 | USD | 20190414 |
| Unknown | China national standards | MT | 330.0 | USD | 20190413 |
| Unknown | China national standards | MT | 430.0 | USD | 20190412 |