| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 330.0 | USD | 20180916 |
| Unknown | China national standards | MT | 320.0 | USD | 20180915 |
| Unknown | China national standards | MT | 2180.0 | USD | 20180914 |
| Unknown | China national standards | MT | 320.0 | USD | 20180913 |
| Unknown | China national standards | MT | 2170.0 | USD | 20180913 |
| Unknown | China national standards | MT | 320.0 | USD | 20180912 |
| Unknown | China national standards | MT | 2210.0 | USD | 20180912 |
| Unknown | China national standards | MT | 2230.0 | USD | 20180911 |
| Unknown | China national standards | MT | 2220.0 | USD | 20180911 |
| Unknown | China national standards | MT | 320.0 | USD | 20180910 |