| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 5050.0 | USD | 20180501 |
| Unknown | China national standards | MT | 5050.0 | USD | 20180501 |
| Unknown | China national standards | MT | 770.0 | USD | 20180501 |
| Unknown | China national standards | MT | 990.0 | USD | 20180501 |
| Unknown | China national standards | MT | 780.0 | USD | 20180423 |
| Unknown | China national standards | MT | 810.0 | USD | 20180423 |
| Unknown | China national standards | MT | 6650.0 | USD | 20180421 |
| Unknown | China national standards | MT | 4870.0 | USD | 20180420 |
| Unknown | China national standards | MT | 6110.0 | USD | 20180419 |
| Unknown | China national standards | MT | 780.0 | USD | 20180418 |