| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 5210.0 | USD | 20190518 |
| Unknown | China national standards | MT | 3910.0 | USD | 20190516 |
| Unknown | China national standards | MT | 3850.0 | USD | 20190515 |
| Unknown | China national standards | MT | 580.0 | USD | 20190513 |
| Unknown | China national standards | MT | 620.0 | USD | 20190501 |
| Unknown | China national standards | MT | 790.0 | USD | 20190501 |
| Unknown | China national standards | MT | 4190.0 | USD | 20190501 |
| Unknown | China national standards | MT | 5330.0 | USD | 20190501 |
| Unknown | China national standards | MT | 4240.0 | USD | 20190501 |
| Unknown | China national standards | MT | 4190.0 | USD | 20190501 |