| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 3380.0 | USD | 20190701 |
| Unknown | China national standards | MT | 1500.0 | USD | 20190701 |
| Unknown | China national standards | MT | 520.0 | USD | 20190423 |
| Unknown | China national standards | MT | 940.0 | USD | 20190423 |
| Unknown | China national standards | MT | 520.0 | USD | 20190422 |
| Unknown | China national standards | MT | 750.0 | USD | 20190422 |
| Unknown | China national standards | MT | 3540.0 | USD | 20190422 |
| Unknown | China national standards | MT | 250.0 | USD | 20190421 |
| Unknown | China national standards | MT | 330.0 | USD | 20190420 |
| Unknown | China national standards | MT | 300.0 | USD | 20190420 |