| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 4770.0 | USD | 20190323 |
| Unknown | China national standards | MT | 5050.0 | USD | 20190322 |
| Unknown | China national standards | MT | 710.0 | USD | 20190321 |
| Unknown | China national standards | MT | 5220.0 | USD | 20190310 |
| Unknown | China national standards | MT | 780.0 | USD | 20190301 |
| Unknown | China national standards | MT | 750.0 | USD | 20190301 |
| Unknown | China national standards | MT | 5250.0 | USD | 20190301 |
| Unknown | China national standards | MT | 780.0 | USD | 20190301 |
| Unknown | China national standards | MT | 750.0 | USD | 20190301 |
| Unknown | China national standards | MT | 710.0 | USD | 20190301 |