| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 730.0 | USD | 20190216 |
| Unknown | China national standards | MT | 100.0 | USD | 20190215 |
| Unknown | China national standards | MT | 100.0 | USD | 20190213 |
| Unknown | China national standards | MT | 690.0 | USD | 20190211 |
| Unknown | China national standards | MT | 100.0 | USD | 20190211 |
| Unknown | China national standards | MT | 670.0 | USD | 20190210 |
| Unknown | China national standards | MT | 740.0 | USD | 20190210 |
| Unknown | China national standards | MT | 630.0 | USD | 20190210 |
| Unknown | China national standards | MT | 110.0 | USD | 20190201 |
| Unknown | China national standards | MT | 90.0 | USD | 20190201 |