| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 590.0 | USD | 20190321 |
| Unknown | China national standards | MT | 540.0 | USD | 20190319 |
| Unknown | China national standards | MT | 4160.0 | USD | 20190318 |
| Unknown | China national standards | MT | 3390.0 | USD | 20190318 |
| Unknown | China national standards | MT | 500.0 | USD | 20190318 |
| Unknown | China national standards | MT | 600.0 | USD | 20190318 |
| Unknown | China national standards | MT | 4060.0 | USD | 20190317 |
| Unknown | China national standards | MT | 590.0 | USD | 20190317 |
| Unknown | China national standards | MT | 500.0 | USD | 20190317 |
| Unknown | China national standards | MT | 4040.0 | USD | 20190316 |