| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 17340.0 | USD | 20180221 |
| Unknown | China national standards | MT | 1130.0 | USD | 20180220 |
| Unknown | China national standards | MT | 160.0 | USD | 20180220 |
| Unknown | China national standards | MT | 170.0 | USD | 20180219 |
| Unknown | China national standards | MT | 17340.0 | USD | 20180215 |
| Unknown | China national standards | MT | 160.0 | USD | 20180215 |
| Unknown | China national standards | MT | 1080.0 | USD | 20180212 |
| Unknown | China national standards | MT | 1080.0 | USD | 20180212 |
| Unknown | China national standards | MT | 111990.0 | USD | 20180211 |
| Unknown | China national standards | MT | 111990.0 | USD | 20180210 |