| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 450.0 | USD | 20190219 |
| Unknown | China national standards | MT | 3110.0 | USD | 20190217 |
| Unknown | China national standards | MT | 340.0 | USD | 20190213 |
| Unknown | China national standards | MT | 2740.0 | USD | 20190212 |
| Unknown | China national standards | MT | 2300.0 | USD | 20190211 |
| Unknown | China national standards | MT | 340.0 | USD | 20190211 |
| Unknown | China national standards | MT | 410.0 | USD | 20190211 |
| Unknown | China national standards | MT | 2320.0 | USD | 20190201 |
| Unknown | China national standards | MT | 3130.0 | USD | 20190201 |
| Unknown | China national standards | MT | 450.0 | USD | 20190201 |