| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1340.0 | USD | 20190421 |
| Unknown | China national standards | MT | 780.0 | USD | 20190420 |
| Unknown | China national standards | MT | 25810.0 | USD | 20190418 |
| Unknown | China national standards | MT | 7900.0 | USD | 20190417 |
| Unknown | China national standards | MT | 880.0 | USD | 20190416 |
| Unknown | China national standards | MT | 820.0 | USD | 20190416 |
| Unknown | China national standards | MT | 4880.0 | USD | 20190416 |
| Unknown | China national standards | MT | 140.0 | USD | 20190415 |
| Unknown | China national standards | MT | 920.0 | USD | 20190414 |
| Unknown | China national standards | MT | 5250.0 | USD | 20190413 |