| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1140.0 | USD | 20190211 |
| Unknown | China national standards | MT | 15240.0 | USD | 20190201 |
| Unknown | China national standards | MT | 1140.0 | USD | 20190201 |
| Unknown | China national standards | MT | 170.0 | USD | 20190201 |
| Unknown | China national standards | MT | 810.0 | USD | 20190123 |
| Unknown | China national standards | MT | 1680.0 | USD | 20190123 |
| Unknown | China national standards | MT | 810.0 | USD | 20190123 |
| Unknown | China national standards | MT | 1450.0 | USD | 20190123 |
| Unknown | China national standards | MT | 120.0 | USD | 20190122 |
| Unknown | China national standards | MT | 1680.0 | USD | 20190121 |