| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 96590.0 | USD | 20190501 |
| Unknown | China national standards | MT | 13380.0 | USD | 20190501 |
| Unknown | China national standards | MT | 89030.0 | USD | 20190421 |
| Unknown | China national standards | MT | 65560.0 | USD | 20190420 |
| Unknown | China national standards | MT | 63530.0 | USD | 20190417 |
| Unknown | China national standards | MT | 89990.0 | USD | 20190417 |
| Unknown | China national standards | MT | 13410.0 | USD | 20190415 |
| Unknown | China national standards | MT | 9450.0 | USD | 20190414 |
| Unknown | China national standards | MT | 13280.0 | USD | 20190414 |
| Unknown | China national standards | MT | 89360.0 | USD | 20190411 |