| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 3420.0 | USD | 20181001 |
| Unknown | China national standards | MT | 3900.0 | USD | 20181001 |
| Unknown | China national standards | MT | 21160.0 | USD | 20180923 |
| Unknown | China national standards | MT | 4260.0 | USD | 20180919 |
| Unknown | China national standards | MT | 4290.0 | USD | 20180919 |
| Unknown | China national standards | MT | 4300.0 | USD | 20180918 |
| Unknown | China national standards | MT | 20100.0 | USD | 20180917 |
| Unknown | China national standards | MT | 12190.0 | USD | 20180916 |
| Unknown | China national standards | MT | 21780.0 | USD | 20180915 |
| Unknown | China national standards | MT | 21780.0 | USD | 20180915 |