| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 710.0 | USD | 20190323 |
| Unknown | China national standards | MT | 1100.0 | USD | 20190322 |
| Unknown | China national standards | MT | 120.0 | USD | 20190321 |
| Unknown | China national standards | MT | 120.0 | USD | 20190321 |
| Unknown | China national standards | MT | 110.0 | USD | 20190321 |
| Unknown | China national standards | MT | 120.0 | USD | 20190317 |
| Unknown | China national standards | MT | 160.0 | USD | 20190315 |
| Unknown | China national standards | MT | 120.0 | USD | 20190315 |
| Unknown | China national standards | MT | 110.0 | USD | 20190315 |
| Unknown | China national standards | MT | 110.0 | USD | 20190314 |