| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 130.0 | USD | 20190316 |
| Unknown | China national standards | MT | 130.0 | USD | 20190316 |
| Unknown | China national standards | MT | 1260.0 | USD | 20190316 |
| Unknown | China national standards | MT | 110.0 | USD | 20190315 |
| Unknown | China national standards | MT | 790.0 | USD | 20190315 |
| Unknown | China national standards | MT | 1180.0 | USD | 20190315 |
| Unknown | China national standards | MT | 170.0 | USD | 20190314 |
| Unknown | China national standards | MT | 770.0 | USD | 20190314 |
| Unknown | China national standards | MT | 1310.0 | USD | 20190313 |
| Unknown | China national standards | MT | 1010.0 | USD | 20190312 |