| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 3050.0 | USD | 20190410 |
| Unknown | China national standards | MT | 3050.0 | USD | 20190401 |
| Unknown | China national standards | MT | 20450.0 | USD | 20190401 |
| Unknown | China national standards | MT | 3060.0 | USD | 20190323 |
| Unknown | China national standards | MT | 8810.0 | USD | 20190322 |
| Unknown | China national standards | MT | 3060.0 | USD | 20190322 |
| Unknown | China national standards | MT | 2620.0 | USD | 20190321 |
| Unknown | China national standards | MT | 2130.0 | USD | 20190321 |
| Unknown | China national standards | MT | 3050.0 | USD | 20190320 |
| Unknown | China national standards | MT | 20620.0 | USD | 20190320 |