| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 970.0 | USD | 20180418 |
| Unknown | China national standards | MT | 740.0 | USD | 20180414 |
| Unknown | China national standards | MT | 6130.0 | USD | 20180414 |
| Unknown | China national standards | MT | 970.0 | USD | 20180401 |
| Unknown | China national standards | MT | 960.0 | USD | 20180317 |
| Unknown | China national standards | MT | 960.0 | USD | 20180314 |
| Unknown | China national standards | MT | 6050.0 | USD | 20180310 |
| Unknown | China national standards | MT | 6100.0 | USD | 20180301 |
| Unknown | China national standards | MT | 3770.0 | USD | 20180223 |
| Unknown | China national standards | MT | 3770.0 | USD | 20180221 |