| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 4390.0 | USD | 20190501 |
| Unknown | China national standards | MT | 5150.0 | USD | 20190501 |
| Unknown | China national standards | MT | 4530.0 | USD | 20190501 |
| Unknown | China national standards | MT | 760.0 | USD | 20190501 |
| Unknown | China national standards | MT | 6140.0 | USD | 20190423 |
| Unknown | China national standards | MT | 730.0 | USD | 20190422 |
| Unknown | China national standards | MT | 7910.0 | USD | 20190422 |
| Unknown | China national standards | MT | 880.0 | USD | 20190421 |
| Unknown | China national standards | MT | 1340.0 | USD | 20190421 |
| Unknown | China national standards | MT | 1180.0 | USD | 20190421 |