| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 17630.0 | USD | 20190701 |
| Unknown | China national standards | MT | 5290.0 | USD | 20190701 |
| Unknown | China national standards | MT | 1320.0 | USD | 20190701 |
| Unknown | China national standards | MT | 90.0 | USD | 20190701 |
| Unknown | China national standards | MT | 2290.0 | USD | 20190623 |
| Unknown | China national standards | MT | 550.0 | USD | 20190623 |
| Unknown | China national standards | MT | 5970.0 | USD | 20190622 |
| Unknown | China national standards | MT | 470.0 | USD | 20190621 |
| Unknown | China national standards | MT | 3180.0 | USD | 20190621 |
| Unknown | China national standards | MT | 3750.0 | USD | 20190621 |