| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chem | China national standards | MT | 705.47 | USD | 20251121 |
| Nantong Zhonghe Chem | China national standards | MT | 691.36 | USD | 20251121 |
| Nantong Zhonghe Chem | China national standards | MT | 691.07 | USD | 20251120 |
| Nantong Zhonghe Chem | China national standards | MT | 705.17 | USD | 20251120 |
| Nantong Zhonghe Chem | China national standards | MT | 705.5 | USD | 20251119 |
| Nantong Zhonghe Chem | China national standards | MT | 691.39 | USD | 20251119 |
| Nantong Zhonghe Chem | China national standards | MT | 691.54 | USD | 20251118 |
| Nantong Zhonghe Chem | China national standards | MT | 705.66 | USD | 20251118 |
| Nantong Zhonghe Chem | China national standards | MT | 706.06 | USD | 20251117 |
| Nantong Zhonghe Chem | China national standards | MT | 691.93 | USD | 20251117 |