| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1090.0 | USD | 20190622 |
| Unknown | China national standards | MT | 7220.0 | USD | 20190622 |
| Unknown | China national standards | MT | 7220.0 | USD | 20190621 |
| Unknown | China national standards | MT | 6730.0 | USD | 20190620 |
| Unknown | China national standards | MT | 870.0 | USD | 20190619 |
| Unknown | China national standards | MT | 1050.0 | USD | 20190619 |
| Unknown | China national standards | MT | 5970.0 | USD | 20190618 |
| Unknown | China national standards | MT | 980.0 | USD | 20190617 |
| Unknown | China national standards | MT | 1080.0 | USD | 20190617 |
| Unknown | China national standards | MT | 8720.0 | USD | 20190617 |