| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 7870.0 | USD | 20180501 |
| Unknown | China national standards | MT | 1050.0 | USD | 20180501 |
| Unknown | China national standards | MT | 900.0 | USD | 20180421 |
| Unknown | China national standards | MT | 5710.0 | USD | 20180415 |
| Unknown | China national standards | MT | 5710.0 | USD | 20180401 |
| Unknown | China national standards | MT | 900.0 | USD | 20180401 |
| Unknown | China national standards | MT | 810.0 | USD | 20180318 |
| Unknown | China national standards | MT | 760.0 | USD | 20180318 |
| Unknown | China national standards | MT | 4850.0 | USD | 20180317 |
| Unknown | China national standards | MT | 760.0 | USD | 20180316 |