| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 330.0 | USD | 20190201 |
| Unknown | China national standards | MT | 50.0 | USD | 20190201 |
| Unknown | China national standards | MT | 50.0 | USD | 20190123 |
| Unknown | China national standards | MT | 460.0 | USD | 20190122 |
| Unknown | China national standards | MT | 130.0 | USD | 20190122 |
| Unknown | China national standards | MT | 9360.0 | USD | 20190121 |
| Unknown | China national standards | MT | 3340.0 | USD | 20190121 |
| Unknown | China national standards | MT | 23170.0 | USD | 20190120 |
| Unknown | China national standards | MT | 300.0 | USD | 20190120 |
| Unknown | China national standards | MT | 2380.0 | USD | 20190119 |