| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 410.0 | USD | 20180614 |
| Unknown | China national standards | MT | 5100.0 | USD | 20180613 |
| Unknown | China national standards | MT | 340.0 | USD | 20180612 |
| Unknown | China national standards | MT | 2200.0 | USD | 20180612 |
| Unknown | China national standards | MT | 520.0 | USD | 20180610 |
| Unknown | China national standards | MT | 340.0 | USD | 20180601 |
| Unknown | China national standards | MT | 70.0 | USD | 20180601 |
| Unknown | China national standards | MT | 430.0 | USD | 20180601 |
| Unknown | China national standards | MT | 2770.0 | USD | 20180601 |
| Unknown | China national standards | MT | 2760.0 | USD | 20180601 |