| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Pulaihua Chem | China national standards | MT | 1056.41 | USD | 20251015 |
| Jinan Pulaihua Chem | China national standards | MT | 1056.41 | USD | 20251015 |
| Jinan Pulaihua Chem | China national standards | MT | 1056.03 | USD | 20251014 |
| Jinan Pulaihua Chem | China national standards | MT | 1055.62 | USD | 20251011 |
| Jinan Pulaihua Chem | China national standards | MT | 1055.62 | USD | 20251011 |
| Jinan Pulaihua Chem | China national standards | MT | 1055.49 | USD | 20250923 |
| Jinan Pulaihua Chem | China national standards | MT | 1055.07 | USD | 20250918 |