| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chem | China national standards | MT | 692.54 | USD | 20251203 |
| Nantong Zhonghe Chem | China national standards | MT | 706.67 | USD | 20251203 |
| Nantong Zhonghe Chem | China national standards | MT | 692.15 | USD | 20251202 |
| Nantong Zhonghe Chem | China national standards | MT | 706.27 | USD | 20251202 |
| Nantong Zhonghe Chem | China national standards | MT | 692.49 | USD | 20251201 |
| Nantong Zhonghe Chem | China national standards | MT | 706.62 | USD | 20251201 |
| Nantong Zhonghe Chem | China national standards | MT | 706.62 | USD | 20251201 |
| Nantong Zhonghe Chem | China national standards | MT | 692.49 | USD | 20251201 |
| Nantong Zhonghe Chem | China national standards | MT | 692.2 | USD | 20251128 |
| Nantong Zhonghe Chem | China national standards | MT | 706.32 | USD | 20251128 |