| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 5060.0 | USD | 20190522 |
| Unknown | China national standards | MT | 4770.0 | USD | 20190521 |
| Unknown | China national standards | MT | 760.0 | USD | 20190519 |
| Unknown | China national standards | MT | 4770.0 | USD | 20190519 |
| Unknown | China national standards | MT | 6460.0 | USD | 20190518 |
| Unknown | China national standards | MT | 10510.0 | USD | 20190516 |
| Unknown | China national standards | MT | 5140.0 | USD | 20190515 |
| Unknown | China national standards | MT | 750.0 | USD | 20190514 |
| Unknown | China national standards | MT | 770.0 | USD | 20190513 |
| Unknown | China national standards | MT | 5060.0 | USD | 20190513 |