| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 33810.0 | USD | 20190513 |
| Unknown | China national standards | MT | 18720.0 | USD | 20190512 |
| Unknown | China national standards | MT | 5560.0 | USD | 20190511 |
| Unknown | China national standards | MT | 880.0 | USD | 20190511 |
| Unknown | China national standards | MT | 14440.0 | USD | 20190511 |
| Unknown | China national standards | MT | 1290.0 | USD | 20190510 |
| Unknown | China national standards | MT | 13610.0 | USD | 20190501 |
| Unknown | China national standards | MT | 55670.0 | USD | 20190501 |
| Unknown | China national standards | MT | 5990.0 | USD | 20190501 |
| Unknown | China national standards | MT | 8710.0 | USD | 20190501 |