| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 100.0 | USD | 20190622 |
| Unknown | China national standards | MT | 1100.0 | USD | 20190622 |
| Unknown | China national standards | MT | 880.0 | USD | 20190622 |
| Unknown | China national standards | MT | 500.0 | USD | 20190621 |
| Unknown | China national standards | MT | 130.0 | USD | 20190620 |
| Unknown | China national standards | MT | 180.0 | USD | 20190620 |
| Unknown | China national standards | MT | 440.0 | USD | 20190619 |
| Unknown | China national standards | MT | 960.0 | USD | 20190619 |
| Unknown | China national standards | MT | 3310.0 | USD | 20190619 |
| Unknown | China national standards | MT | 2690.0 | USD | 20190619 |