| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 5910.0 | USD | 20180401 |
| Unknown | China national standards | MT | 820.0 | USD | 20180401 |
| Unknown | China national standards | MT | 6140.0 | USD | 20180323 |
| Unknown | China national standards | MT | 970.0 | USD | 20180323 |
| Unknown | China national standards | MT | 6440.0 | USD | 20180321 |
| Unknown | China national standards | MT | 1360.0 | USD | 20180320 |
| Unknown | China national standards | MT | 8640.0 | USD | 20180320 |
| Unknown | China national standards | MT | 4320.0 | USD | 20180318 |
| Unknown | China national standards | MT | 5160.0 | USD | 20180318 |
| Unknown | China national standards | MT | 5360.0 | USD | 20180317 |