| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 130.0 | USD | 20190221 |
| Unknown | China national standards | MT | 3720.0 | USD | 20190220 |
| Unknown | China national standards | MT | 2910.0 | USD | 20190220 |
| Unknown | China national standards | MT | 540.0 | USD | 20190220 |
| Unknown | China national standards | MT | 240.0 | USD | 20190220 |
| Unknown | China national standards | MT | 880.0 | USD | 20190219 |
| Unknown | China national standards | MT | 220.0 | USD | 20190219 |
| Unknown | China national standards | MT | 540.0 | USD | 20190219 |
| Unknown | China national standards | MT | 1590.0 | USD | 20190218 |
| Unknown | China national standards | MT | 540.0 | USD | 20190217 |