| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 15230.0 | USD | 20190216 |
| Unknown | China national standards | MT | 13410.0 | USD | 20190214 |
| Unknown | China national standards | MT | 14780.0 | USD | 20190213 |
| Unknown | China national standards | MT | 15570.0 | USD | 20190212 |
| Unknown | China national standards | MT | 100180.0 | USD | 20190211 |
| Unknown | China national standards | MT | 100800.0 | USD | 20190210 |
| Unknown | China national standards | MT | 103650.0 | USD | 20190210 |
| Unknown | China national standards | MT | 95760.0 | USD | 20190201 |
| Unknown | China national standards | MT | 103820.0 | USD | 20190201 |
| Unknown | China national standards | MT | 101640.0 | USD | 20190201 |