| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 8740.0 | USD | 20190420 |
| Unknown | China national standards | MT | 20500.0 | USD | 20190420 |
| Unknown | China national standards | MT | 1300.0 | USD | 20190419 |
| Unknown | China national standards | MT | 3060.0 | USD | 20190418 |
| Unknown | China national standards | MT | 3050.0 | USD | 20190417 |
| Unknown | China national standards | MT | 20620.0 | USD | 20190416 |
| Unknown | China national standards | MT | 1300.0 | USD | 20190414 |
| Unknown | China national standards | MT | 14480.0 | USD | 20190414 |
| Unknown | China national standards | MT | 2160.0 | USD | 20190412 |
| Unknown | China national standards | MT | 2160.0 | USD | 20190410 |