| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 15070.0 | USD | 20200201 |
| Unknown | China national standards | MT | 20160.0 | USD | 20200201 |
| Unknown | China national standards | MT | 14990.0 | USD | 20191221 |
| Unknown | China national standards | MT | 3120.0 | USD | 20191221 |
| Unknown | China national standards | MT | 2520.0 | USD | 20191221 |
| Unknown | China national standards | MT | 17670.0 | USD | 20191220 |
| Unknown | China national standards | MT | 17480.0 | USD | 20191220 |
| Unknown | China national standards | MT | 2490.0 | USD | 20191219 |
| Unknown | China national standards | MT | 15870.0 | USD | 20191219 |
| Unknown | China national standards | MT | 19500.0 | USD | 20191219 |