| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 2910.0 | USD | 20191122 |
| Unknown | China national standards | MT | 2910.0 | USD | 20191121 |
| Unknown | China national standards | MT | 380.0 | USD | 20191121 |
| Unknown | China national standards | MT | 2700.0 | USD | 20191119 |
| Unknown | China national standards | MT | 380.0 | USD | 20191118 |
| Unknown | China national standards | MT | 2670.0 | USD | 20191118 |
| Unknown | China national standards | MT | 3350.0 | USD | 20191117 |
| Unknown | China national standards | MT | 2690.0 | USD | 20191116 |
| Unknown | China national standards | MT | 3360.0 | USD | 20191114 |
| Unknown | China national standards | MT | 380.0 | USD | 20191114 |