| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 19790.0 | USD | 20190601 |
| Unknown | China national standards | MT | 19620.0 | USD | 20190601 |
| Unknown | China national standards | MT | 18680.0 | USD | 20190601 |
| Unknown | China national standards | MT | 2840.0 | USD | 20190601 |
| Unknown | China national standards | MT | 18020.0 | USD | 20190523 |
| Unknown | China national standards | MT | 2670.0 | USD | 20190523 |
| Unknown | China national standards | MT | 2790.0 | USD | 20190523 |
| Unknown | China national standards | MT | 2690.0 | USD | 20190521 |
| Unknown | China national standards | MT | 18020.0 | USD | 20190521 |
| Unknown | China national standards | MT | 3080.0 | USD | 20190520 |