| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 210.0 | USD | 20190314 |
| Unknown | China national standards | MT | 760.0 | USD | 20190313 |
| Unknown | China national standards | MT | 2520.0 | USD | 20190313 |
| Unknown | China national standards | MT | 3280.0 | USD | 20190313 |
| Unknown | China national standards | MT | 440.0 | USD | 20190313 |
| Unknown | China national standards | MT | 2960.0 | USD | 20190312 |
| Unknown | China national standards | MT | 5160.0 | USD | 20190312 |
| Unknown | China national standards | MT | 210.0 | USD | 20190310 |
| Unknown | China national standards | MT | 2640.0 | USD | 20190301 |
| Unknown | China national standards | MT | 2870.0 | USD | 20190301 |