| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 3890.0 | USD | 20190501 |
| Unknown | China national standards | MT | 3770.0 | USD | 20190501 |
| Unknown | China national standards | MT | 3770.0 | USD | 20190423 |
| Unknown | China national standards | MT | 3750.0 | USD | 20190423 |
| Unknown | China national standards | MT | 3280.0 | USD | 20190423 |
| Unknown | China national standards | MT | 3380.0 | USD | 20190423 |
| Unknown | China national standards | MT | 3400.0 | USD | 20190423 |
| Unknown | China national standards | MT | 3530.0 | USD | 20190423 |
| Unknown | China national standards | MT | 3930.0 | USD | 20190423 |
| Unknown | China national standards | MT | 24830.0 | USD | 20190423 |