| Vendor | Spec | Unit | Price | Currency | Date |
| Hunan JinyuChem | China national standards | MT | 997.37 | USD | 20251211 |
| Hunan JinyuChem | China national standards | MT | 996.41 | USD | 20251203 |
| Jinan Pulaihua Chem | China national standards | MT | 1483.91 | USD | 20251201 |
| Hunan JinyuChem | China national standards | MT | 968.07 | USD | 20251201 |
| Hunan JinyuChem | China national standards | MT | 967.66 | USD | 20251128 |
| Hunan JinyuChem | China national standards | MT | 967.8 | USD | 20251127 |
| Hunan JinyuChem | China national standards | MT | 967.57 | USD | 20251126 |
| Hunan JinyuChem | China national standards | MT | 995.41 | USD | 20251115 |
| Jinan Pulaihua Chem | China national standards | MT | 1482.36 | USD | 20251112 |
| Hunan JinyuChem | China national standards | MT | 995.3 | USD | 20251112 |