| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 28940.0 | USD | 20190501 |
| Unknown | China national standards | MT | 25620.0 | USD | 20190501 |
| Unknown | China national standards | MT | 24950.0 | USD | 20190423 |
| Unknown | China national standards | MT | 2290.0 | USD | 20190422 |
| Unknown | China national standards | MT | 3720.0 | USD | 20190421 |
| Unknown | China national standards | MT | 2290.0 | USD | 20190421 |
| Unknown | China national standards | MT | 4280.0 | USD | 20190421 |
| Unknown | China national standards | MT | 28740.0 | USD | 20190421 |
| Unknown | China national standards | MT | 27210.0 | USD | 20190421 |
| Unknown | China national standards | MT | 4060.0 | USD | 20190421 |