| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 100.0 | USD | 20190223 |
| Unknown | China national standards | MT | 740.0 | USD | 20190221 |
| Unknown | China national standards | MT | 110.0 | USD | 20190220 |
| Unknown | China national standards | MT | 100.0 | USD | 20190220 |
| Unknown | China national standards | MT | 690.0 | USD | 20190218 |
| Unknown | China national standards | MT | 110.0 | USD | 20190217 |
| Unknown | China national standards | MT | 370.0 | USD | 20190216 |
| Unknown | China national standards | MT | 680.0 | USD | 20190214 |
| Unknown | China national standards | MT | 50.0 | USD | 20190214 |
| Unknown | China national standards | MT | 100.0 | USD | 20190213 |