| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 20350.0 | USD | 20190219 |
| Unknown | China national standards | MT | 860.0 | USD | 20190219 |
| Unknown | China national standards | MT | 150.0 | USD | 20190219 |
| Unknown | China national standards | MT | 2710.0 | USD | 20190219 |
| Unknown | China national standards | MT | 180.0 | USD | 20190217 |
| Unknown | China national standards | MT | 3160.0 | USD | 20190217 |
| Unknown | China national standards | MT | 5910.0 | USD | 20190216 |
| Unknown | China national standards | MT | 3160.0 | USD | 20190214 |
| Unknown | China national standards | MT | 18800.0 | USD | 20190212 |
| Unknown | China national standards | MT | 2740.0 | USD | 20190211 |