| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 1482.3 | USD | 20251108 |
| Shandong Qiangsen Chem | China national standards | MT | 1482.3 | USD | 20251107 |
| Shandong Qiangsen Chem | China national standards | MT | 1481.69 | USD | 20251106 |
| Shandong Qiangsen Chem | China national standards | MT | 1480.94 | USD | 20251105 |
| Shandong Qiangsen Chem | China national standards | MT | 1481.27 | USD | 20251104 |
| Shandong Qiangsen Chem | China national standards | MT | 1481.65 | USD | 20251103 |
| Shandong Qiangsen Chem | China national standards | MT | 1481.38 | USD | 20251101 |
| Shandong Qiangsen Chem | China national standards | MT | 1481.38 | USD | 20251031 |
| Shandong Qiangsen Chem | China national standards | MT | 1481.71 | USD | 20251030 |
| Shandong Qiangsen Chem | China national standards | MT | 1482.15 | USD | 20251029 |