| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 160.0 | USD | 20191117 |
| Unknown | China national standards | MT | 1300.0 | USD | 20191113 |
| Unknown | China national standards | MT | 180.0 | USD | 20191112 |
| Unknown | China national standards | MT | 1250.0 | USD | 20191111 |
| Unknown | China national standards | MT | 180.0 | USD | 20191111 |
| Unknown | China national standards | MT | 1090.0 | USD | 20191101 |
| Unknown | China national standards | MT | 1090.0 | USD | 20191101 |
| Unknown | China national standards | MT | 180.0 | USD | 20191101 |
| Unknown | China national standards | MT | 180.0 | USD | 20191101 |
| Unknown | China national standards | MT | 1250.0 | USD | 20191101 |