| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 253149.98 | USD | 20190823 |
| Unknown | China national standards | MT | 7020.0 | USD | 20190822 |
| Unknown | China national standards | MT | 1900.0 | USD | 20190822 |
| Unknown | China national standards | MT | 15460.0 | USD | 20190822 |
| Unknown | China national standards | MT | 13100.0 | USD | 20190820 |
| Unknown | China national standards | MT | 2250.0 | USD | 20190816 |
| Unknown | China national standards | MT | 7040.0 | USD | 20190813 |
| Unknown | China national standards | MT | 15520.0 | USD | 20190812 |
| Unknown | China national standards | MT | 254730.0 | USD | 20190811 |
| Unknown | China national standards | MT | 2260.0 | USD | 20190810 |