| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 4710.0 | USD | 20190314 |
| Unknown | China national standards | MT | 26190.0 | USD | 20190313 |
| Unknown | China national standards | MT | 26600.0 | USD | 20190313 |
| Unknown | China national standards | MT | 3940.0 | USD | 20190313 |
| Unknown | China national standards | MT | 4290.0 | USD | 20190312 |
| Unknown | China national standards | MT | 3070.0 | USD | 20190312 |
| Unknown | China national standards | MT | 20740.0 | USD | 20190311 |
| Unknown | China national standards | MT | 28910.0 | USD | 20190310 |
| Unknown | China national standards | MT | 29140.0 | USD | 20190301 |
| Unknown | China national standards | MT | 27900.0 | USD | 20190301 |