| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1020.0 | USD | 20190701 |
| Unknown | China national standards | MT | 500.0 | USD | 20190701 |
| Unknown | China national standards | MT | 270.0 | USD | 20190701 |
| Unknown | China national standards | MT | 170.0 | USD | 20190423 |
| Unknown | China national standards | MT | 60.0 | USD | 20190423 |
| Unknown | China national standards | MT | 150.0 | USD | 20190423 |
| Unknown | China national standards | MT | 4000.0 | USD | 20190423 |
| Unknown | China national standards | MT | 60.0 | USD | 20190423 |
| Unknown | China national standards | MT | 32620.0 | USD | 20190423 |
| Unknown | China national standards | MT | 60.0 | USD | 20190422 |