| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 20510.0 | USD | 20191115 |
| Unknown | China national standards | MT | 2900.0 | USD | 20191115 |
| Unknown | China national standards | MT | 2590.0 | USD | 20191114 |
| Unknown | China national standards | MT | 20890.0 | USD | 20191112 |
| Unknown | China national standards | MT | 1320.0 | USD | 20191112 |
| Unknown | China national standards | MT | 1320.0 | USD | 20191110 |
| Unknown | China national standards | MT | 18130.0 | USD | 20191101 |
| Unknown | China national standards | MT | 18050.0 | USD | 20191101 |
| Unknown | China national standards | MT | 2930.0 | USD | 20191101 |
| Unknown | China national standards | MT | 12190.0 | USD | 20191101 |