| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 24840.0 | USD | 20180701 |
| Unknown | China national standards | MT | 43850.0 | USD | 20180701 |
| Unknown | China national standards | MT | 24460.0 | USD | 20180623 |
| Unknown | China national standards | MT | 33760.0 | USD | 20180622 |
| Unknown | China national standards | MT | 5390.0 | USD | 20180614 |
| Unknown | China national standards | MT | 34100.0 | USD | 20180613 |
| Unknown | China national standards | MT | 3910.0 | USD | 20180611 |
| Unknown | China national standards | MT | 4000.0 | USD | 20180611 |
| Unknown | China national standards | MT | 5380.0 | USD | 20180610 |
| Unknown | China national standards | MT | 25510.0 | USD | 20180610 |