| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 180.0 | USD | 20190319 |
| Unknown | China national standards | MT | 210.0 | USD | 20190317 |
| Unknown | China national standards | MT | 330.0 | USD | 20190317 |
| Unknown | China national standards | MT | 180.0 | USD | 20190316 |
| Unknown | China national standards | MT | 1210.0 | USD | 20190315 |
| Unknown | China national standards | MT | 1190.0 | USD | 20190314 |
| Unknown | China national standards | MT | 1400.0 | USD | 20190312 |
| Unknown | China national standards | MT | 2220.0 | USD | 20190312 |
| Unknown | China national standards | MT | 180.0 | USD | 20190312 |
| Unknown | China national standards | MT | 1190.0 | USD | 20190311 |