| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 8850.0 | USD | 20190121 |
| Unknown | China national standards | MT | 270.0 | USD | 20190121 |
| Unknown | China national standards | MT | 380.0 | USD | 20190121 |
| Unknown | China national standards | MT | 1880.0 | USD | 20190119 |
| Unknown | China national standards | MT | 380.0 | USD | 20190119 |
| Unknown | China national standards | MT | 8880.0 | USD | 20190115 |
| Unknown | China national standards | MT | 270.0 | USD | 20190115 |
| Unknown | China national standards | MT | 2590.0 | USD | 20190113 |
| Unknown | China national standards | MT | 60850.0 | USD | 20190112 |
| Unknown | China national standards | MT | 3110.0 | USD | 20190101 |