| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 5180.0 | USD | 20200201 |
| Unknown | China national standards | MT | 4660.0 | USD | 20200201 |
| Unknown | China national standards | MT | 6050.0 | USD | 20191223 |
| Unknown | China national standards | MT | 6050.0 | USD | 20191223 |
| Unknown | China national standards | MT | 810.0 | USD | 20191219 |
| Unknown | China national standards | MT | 860.0 | USD | 20191219 |
| Unknown | China national standards | MT | 4770.0 | USD | 20191217 |
| Unknown | China national standards | MT | 680.0 | USD | 20191216 |
| Unknown | China national standards | MT | 4780.0 | USD | 20191216 |
| Unknown | China national standards | MT | 5650.0 | USD | 20191214 |