| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 310.0 | USD | 20190423 |
| Unknown | China national standards | MT | 2340.0 | USD | 20190422 |
| Unknown | China national standards | MT | 350.0 | USD | 20190422 |
| Unknown | China national standards | MT | 340.0 | USD | 20190422 |
| Unknown | China national standards | MT | 410.0 | USD | 20190421 |
| Unknown | China national standards | MT | 350.0 | USD | 20190421 |
| Unknown | China national standards | MT | 310.0 | USD | 20190421 |
| Unknown | China national standards | MT | 2080.0 | USD | 20190421 |
| Unknown | China national standards | MT | 2340.0 | USD | 20190421 |
| Unknown | China national standards | MT | 2680.0 | USD | 20190421 |