| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 300.0 | USD | 20190112 |
| Unknown | China national standards | MT | 50.0 | USD | 20190112 |
| Unknown | China national standards | MT | 320.0 | USD | 20190111 |
| Unknown | China national standards | MT | 330.0 | USD | 20190110 |
| Unknown | China national standards | MT | 2210.0 | USD | 20190110 |
| Unknown | China national standards | MT | 50.0 | USD | 20190110 |
| Unknown | China national standards | MT | 1530.0 | USD | 20190101 |
| Unknown | China national standards | MT | 2200.0 | USD | 20190101 |
| Unknown | China national standards | MT | 690.0 | USD | 20190101 |
| Unknown | China national standards | MT | 330.0 | USD | 20190101 |