| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chem | China national standards | MT | 692.3 | USD | 20251127 |
| Nantong Zhonghe Chem | China national standards | MT | 706.42 | USD | 20251127 |
| Nantong Zhonghe Chem | China national standards | MT | 692.13 | USD | 20251126 |
| Nantong Zhonghe Chem | China national standards | MT | 706.25 | USD | 20251126 |
| Nantong Zhonghe Chem | China national standards | MT | 705.96 | USD | 20251125 |
| Nantong Zhonghe Chem | China national standards | MT | 705.96 | USD | 20251125 |
| Nantong Zhonghe Chem | China national standards | MT | 691.84 | USD | 20251125 |
| Nantong Zhonghe Chem | China national standards | MT | 691.84 | USD | 20251125 |
| Nantong Zhonghe Chem | China national standards | MT | 691.63 | USD | 20251124 |
| Nantong Zhonghe Chem | China national standards | MT | 705.75 | USD | 20251124 |