| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 370.0 | USD | 20190121 |
| Unknown | China national standards | MT | 280.0 | USD | 20190121 |
| Unknown | China national standards | MT | 380.0 | USD | 20190120 |
| Unknown | China national standards | MT | 2940.0 | USD | 20190118 |
| Unknown | China national standards | MT | 2590.0 | USD | 20190117 |
| Unknown | China national standards | MT | 2660.0 | USD | 20190114 |
| Unknown | China national standards | MT | 420.0 | USD | 20190114 |
| Unknown | China national standards | MT | 3030.0 | USD | 20190113 |
| Unknown | China national standards | MT | 2740.0 | USD | 20190113 |
| Unknown | China national standards | MT | 380.0 | USD | 20190112 |