| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 320.0 | USD | 20190113 |
| Unknown | China national standards | MT | 2310.0 | USD | 20190112 |
| Unknown | China national standards | MT | 2210.0 | USD | 20190111 |
| Unknown | China national standards | MT | 2780.0 | USD | 20190111 |
| Unknown | China national standards | MT | 3210.0 | USD | 20190110 |
| Unknown | China national standards | MT | 2300.0 | USD | 20190110 |
| Unknown | China national standards | MT | 2280.0 | USD | 20190101 |
| Unknown | China national standards | MT | 2310.0 | USD | 20190101 |
| Unknown | China national standards | MT | 3390.0 | USD | 20190101 |
| Unknown | China national standards | MT | 2750.0 | USD | 20190101 |