| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 4010.0 | USD | 20190701 |
| Unknown | China national standards | MT | 4070.0 | USD | 20190701 |
| Unknown | China national standards | MT | 4110.0 | USD | 20190701 |
| Unknown | China national standards | MT | 3970.0 | USD | 20190701 |
| Unknown | China national standards | MT | 4090.0 | USD | 20190701 |
| Unknown | China national standards | MT | 4120.0 | USD | 20190623 |
| Unknown | China national standards | MT | 4150.0 | USD | 20190622 |
| Unknown | China national standards | MT | 510.0 | USD | 20190621 |
| Unknown | China national standards | MT | 600.0 | USD | 20190620 |
| Unknown | China national standards | MT | 590.0 | USD | 20190620 |