| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 3480.0 | USD | 20190701 |
| Unknown | China national standards | MT | 1740.0 | USD | 20190701 |
| Unknown | China national standards | MT | 440.0 | USD | 20190622 |
| Unknown | China national standards | MT | 440.0 | USD | 20190622 |
| Unknown | China national standards | MT | 340.0 | USD | 20190621 |
| Unknown | China national standards | MT | 440.0 | USD | 20190621 |
| Unknown | China national standards | MT | 3550.0 | USD | 20190621 |
| Unknown | China national standards | MT | 410.0 | USD | 20190621 |
| Unknown | China national standards | MT | 3050.0 | USD | 20190621 |
| Unknown | China national standards | MT | 450.0 | USD | 20190620 |