| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 680.0 | USD | 20190301 |
| Unknown | China national standards | MT | 900.0 | USD | 20190301 |
| Unknown | China national standards | MT | 4530.0 | USD | 20190223 |
| Unknown | China national standards | MT | 760.0 | USD | 20190223 |
| Unknown | China national standards | MT | 4500.0 | USD | 20190220 |
| Unknown | China national standards | MT | 4910.0 | USD | 20190219 |
| Unknown | China national standards | MT | 5210.0 | USD | 20190218 |
| Unknown | China national standards | MT | 4910.0 | USD | 20190217 |
| Unknown | China national standards | MT | 650.0 | USD | 20190217 |
| Unknown | China national standards | MT | 710.0 | USD | 20190214 |