| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 880.0 | USD | 20190423 |
| Unknown | China national standards | MT | 5900.0 | USD | 20190423 |
| Unknown | China national standards | MT | 860.0 | USD | 20190423 |
| Unknown | China national standards | MT | 910.0 | USD | 20190422 |
| Unknown | China national standards | MT | 5410.0 | USD | 20190422 |
| Unknown | China national standards | MT | 5910.0 | USD | 20190421 |
| Unknown | China national standards | MT | 5650.0 | USD | 20190414 |
| Unknown | China national standards | MT | 860.0 | USD | 20190413 |
| Unknown | China national standards | MT | 800.0 | USD | 20190411 |
| Unknown | China national standards | MT | 840.0 | USD | 20190411 |