| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 8940.0 | USD | 20190201 |
| Unknown | China national standards | MT | 9150.0 | USD | 20190201 |
| Unknown | China national standards | MT | 60350.0 | USD | 20190121 |
| Unknown | China national standards | MT | 63840.0 | USD | 20190121 |
| Unknown | China national standards | MT | 9270.0 | USD | 20190121 |
| Unknown | China national standards | MT | 8790.0 | USD | 20190117 |
| Unknown | China national standards | MT | 9300.0 | USD | 20190115 |
| Unknown | China national standards | MT | 10780.0 | USD | 20190115 |
| Unknown | China national standards | MT | 8750.0 | USD | 20190113 |
| Unknown | China national standards | MT | 73830.0 | USD | 20190111 |