| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 610.0 | USD | 20180601 |
| Unknown | China national standards | MT | 510.0 | USD | 20180601 |
| Unknown | China national standards | MT | 590.0 | USD | 20180601 |
| Unknown | China national standards | MT | 3780.0 | USD | 20180523 |
| Unknown | China national standards | MT | 610.0 | USD | 20180522 |
| Unknown | China national standards | MT | 4000.0 | USD | 20180521 |
| Unknown | China national standards | MT | 560.0 | USD | 20180521 |
| Unknown | China national standards | MT | 4010.0 | USD | 20180520 |
| Unknown | China national standards | MT | 3720.0 | USD | 20180520 |
| Unknown | China national standards | MT | 560.0 | USD | 20180520 |