| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chem | China national standards | MT | 704.73 | USD | 20251017 |
| Nantong Zhonghe Chem | China national standards | MT | 690.64 | USD | 20251017 |
| Nantong Zhonghe Chem | China national standards | MT | 690.45 | USD | 20251016 |
| Nantong Zhonghe Chem | China national standards | MT | 704.54 | USD | 20251016 |
| Nantong Zhonghe Chem | China national standards | MT | 690.19 | USD | 20251015 |
| Nantong Zhonghe Chem | China national standards | MT | 704.27 | USD | 20251015 |
| Nantong Zhonghe Chem | China national standards | MT | 704.02 | USD | 20251014 |
| Nantong Zhonghe Chem | China national standards | MT | 689.94 | USD | 20251014 |
| Nantong Zhonghe Chem | China national standards | MT | 690.07 | USD | 20251013 |
| Nantong Zhonghe Chem | China national standards | MT | 704.16 | USD | 20251013 |