| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 19900.0 | USD | 20191201 |
| Unknown | China national standards | MT | 19450.0 | USD | 20191201 |
| Unknown | China national standards | MT | 19900.0 | USD | 20191201 |
| Unknown | China national standards | MT | 2770.0 | USD | 20191201 |
| Unknown | China national standards | MT | 23170.0 | USD | 20191119 |
| Unknown | China national standards | MT | 22860.0 | USD | 20191118 |
| Unknown | China national standards | MT | 23150.0 | USD | 20191116 |
| Unknown | China national standards | MT | 3230.0 | USD | 20191115 |
| Unknown | China national standards | MT | 27600.0 | USD | 20191114 |
| Unknown | China national standards | MT | 3280.0 | USD | 20191113 |