| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 18260.0 | USD | 20190515 |
| Unknown | China national standards | MT | 18190.0 | USD | 20190514 |
| Unknown | China national standards | MT | 2700.0 | USD | 20190513 |
| Unknown | China national standards | MT | 2700.0 | USD | 20190513 |
| Unknown | China national standards | MT | 18140.0 | USD | 20190513 |
| Unknown | China national standards | MT | 2840.0 | USD | 20190512 |
| Unknown | China national standards | MT | 2730.0 | USD | 20190511 |
| Unknown | China national standards | MT | 18670.0 | USD | 20190511 |
| Unknown | China national standards | MT | 21010.0 | USD | 20190511 |
| Unknown | China national standards | MT | 2730.0 | USD | 20190510 |