| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1120.0 | USD | 20190201 |
| Unknown | China national standards | MT | 1700.0 | USD | 20190201 |
| Unknown | China national standards | MT | 16210.0 | USD | 20190123 |
| Unknown | China national standards | MT | 22700.0 | USD | 20190123 |
| Unknown | China national standards | MT | 11680.0 | USD | 20190121 |
| Unknown | China national standards | MT | 16260.0 | USD | 20190121 |
| Unknown | China national standards | MT | 1330.0 | USD | 20190121 |
| Unknown | China national standards | MT | 16310.0 | USD | 20190118 |
| Unknown | China national standards | MT | 2520.0 | USD | 20190117 |
| Unknown | China national standards | MT | 19070.0 | USD | 20190116 |