| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 3900.0 | USD | 20190701 |
| Unknown | China national standards | MT | 14010.0 | USD | 20190701 |
| Unknown | China national standards | MT | 26420.0 | USD | 20190622 |
| Unknown | China national standards | MT | 26420.0 | USD | 20190621 |
| Unknown | China national standards | MT | 30310.0 | USD | 20190620 |
| Unknown | China national standards | MT | 4440.0 | USD | 20190619 |
| Unknown | China national standards | MT | 28500.0 | USD | 20190618 |
| Unknown | China national standards | MT | 4150.0 | USD | 20190616 |
| Unknown | China national standards | MT | 4430.0 | USD | 20190615 |
| Unknown | China national standards | MT | 4150.0 | USD | 20190614 |