| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 170.0 | USD | 20190121 |
| Unknown | China national standards | MT | 170.0 | USD | 20190120 |
| Unknown | China national standards | MT | 190.0 | USD | 20190120 |
| Unknown | China national standards | MT | 1620.0 | USD | 20190119 |
| Unknown | China national standards | MT | 170.0 | USD | 20190119 |
| Unknown | China national standards | MT | 1150.0 | USD | 20190118 |
| Unknown | China national standards | MT | 1140.0 | USD | 20190116 |
| Unknown | China national standards | MT | 1180.0 | USD | 20190116 |
| Unknown | China national standards | MT | 170.0 | USD | 20190116 |
| Unknown | China national standards | MT | 170.0 | USD | 20190115 |