| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 290.0 | USD | 20190122 |
| Unknown | China national standards | MT | 2490.0 | USD | 20190121 |
| Unknown | China national standards | MT | 2940.0 | USD | 20190121 |
| Unknown | China national standards | MT | 430.0 | USD | 20190121 |
| Unknown | China national standards | MT | 420.0 | USD | 20190120 |
| Unknown | China national standards | MT | 300.0 | USD | 20190120 |
| Unknown | China national standards | MT | 760.0 | USD | 20190119 |
| Unknown | China national standards | MT | 2840.0 | USD | 20190117 |
| Unknown | China national standards | MT | 2840.0 | USD | 20190117 |
| Unknown | China national standards | MT | 760.0 | USD | 20190116 |