| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1110.0 | USD | 20190119 |
| Unknown | China national standards | MT | 140.0 | USD | 20190119 |
| Unknown | China national standards | MT | 310.0 | USD | 20190118 |
| Unknown | China national standards | MT | 40.0 | USD | 20190118 |
| Unknown | China national standards | MT | 1110.0 | USD | 20190117 |
| Unknown | China national standards | MT | 120.0 | USD | 20190116 |
| Unknown | China national standards | MT | 440.0 | USD | 20190115 |
| Unknown | China national standards | MT | 150.0 | USD | 20190115 |
| Unknown | China national standards | MT | 150.0 | USD | 20190114 |
| Unknown | China national standards | MT | 690.0 | USD | 20190114 |