| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 40540.0 | USD | 20180201 |
| Unknown | China national standards | MT | 2450.0 | USD | 20180201 |
| Unknown | China national standards | MT | 2440.0 | USD | 20180123 |
| Unknown | China national standards | MT | 16070.0 | USD | 20180120 |
| Unknown | China national standards | MT | 56030.0 | USD | 20180119 |
| Unknown | China national standards | MT | 16030.0 | USD | 20180117 |
| Unknown | China national standards | MT | 55370.0 | USD | 20180112 |
| Unknown | China national standards | MT | 8340.0 | USD | 20180101 |
| Unknown | China national standards | MT | 8340.0 | USD | 20180101 |
| Unknown | China national standards | MT | 2390.0 | USD | 20180101 |