| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chem | China national standards | MT | 1793.15 | USD | 20251114 |
| Nantong Zhonghe Chem | China national standards | MT | 1792.14 | USD | 20251113 |
| Nantong Zhonghe Chem | China national standards | MT | 1792.11 | USD | 20251111 |
| Nantong Zhonghe Chem | China national standards | MT | 1792.37 | USD | 20251110 |
| Nantong Zhonghe Chem | China national standards | MT | 1792.87 | USD | 20251107 |
| Nantong Zhonghe Chem | China national standards | MT | 1792.14 | USD | 20251106 |
| Nantong Zhonghe Chem | China national standards | MT | 1791.23 | USD | 20251105 |
| Nantong Zhonghe Chem | China national standards | MT | 1791.63 | USD | 20251104 |
| Nantong Zhonghe Chem | China national standards | MT | 1792.09 | USD | 20251103 |
| Nantong Zhonghe Chem | China national standards | MT | 1791.76 | USD | 20251031 |