| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 153440.0 | USD | 20180401 |
| Unknown | China national standards | MT | 155789.98 | USD | 20180401 |
| Unknown | China national standards | MT | 13340.0 | USD | 20180322 |
| Unknown | China national standards | MT | 156039.98 | USD | 20180322 |
| Unknown | China national standards | MT | 25000.0 | USD | 20180322 |
| Unknown | China national standards | MT | 20260.0 | USD | 20180321 |
| Unknown | China national standards | MT | 158770.0 | USD | 20180319 |
| Unknown | China national standards | MT | 24930.0 | USD | 20180318 |
| Unknown | China national standards | MT | 20340.0 | USD | 20180315 |
| Unknown | China national standards | MT | 22020.0 | USD | 20180314 |