| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 450.0 | USD | 20180117 |
| Unknown | China national standards | MT | 50.0 | USD | 20180116 |
| Unknown | China national standards | MT | 20770.0 | USD | 20180116 |
| Unknown | China national standards | MT | 2940.0 | USD | 20180115 |
| Unknown | China national standards | MT | 310.0 | USD | 20180111 |
| Unknown | China national standards | MT | 450.0 | USD | 20180110 |
| Unknown | China national standards | MT | 3100.0 | USD | 20180101 |
| Unknown | China national standards | MT | 20470.0 | USD | 20180101 |
| Unknown | China national standards | MT | 2910.0 | USD | 20180101 |
| Unknown | China national standards | MT | 300.0 | USD | 20180101 |