| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 20640.0 | USD | 20190423 |
| Unknown | China national standards | MT | 1080.0 | USD | 20190422 |
| Unknown | China national standards | MT | 3060.0 | USD | 20190421 |
| Unknown | China national standards | MT | 2880.0 | USD | 20190421 |
| Unknown | China national standards | MT | 2620.0 | USD | 20190418 |
| Unknown | China national standards | MT | 2710.0 | USD | 20190418 |
| Unknown | China national standards | MT | 3010.0 | USD | 20190418 |
| Unknown | China national standards | MT | 2610.0 | USD | 20190417 |
| Unknown | China national standards | MT | 20770.0 | USD | 20190416 |
| Unknown | China national standards | MT | 2700.0 | USD | 20190415 |