| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chem | China national standards | MT | 688.67 | USD | 20250928 |
| Nantong Zhonghe Chem | China national standards | MT | 688.67 | USD | 20250928 |
| Nantong Zhonghe Chem | China national standards | MT | 688.67 | USD | 20250926 |
| Nantong Zhonghe Chem | China national standards | MT | 688.67 | USD | 20250926 |
| Nantong Zhonghe Chem | China national standards | MT | 689.59 | USD | 20250925 |
| Nantong Zhonghe Chem | China national standards | MT | 689.59 | USD | 20250925 |
| Nantong Zhonghe Chem | China national standards | MT | 689.59 | USD | 20250924 |
| Nantong Zhonghe Chem | China national standards | MT | 689.59 | USD | 20250924 |
| Nantong Zhonghe Chem | China national standards | MT | 689.59 | USD | 20250923 |
| Nantong Zhonghe Chem | China national standards | MT | 689.59 | USD | 20250923 |