| Vendor | Spec | Unit | Price | Currency | Date |
| Xiamen Yudeshun Chem | China national standards | MT | 1674.76 | USD | 20250930 |
| Shandong Aite Chem | China national standards | MT | 1125.35 | USD | 20250929 |
| Shandong Aite Chem | China national standards | MT | 1125.35 | USD | 20250929 |
| Shandong Haili Chem | China national standards | MT | 1125.35 | USD | 20250929 |
| Shandong Aite Chem | China national standards | MT | 1125.35 | USD | 20250929 |
| Shandong Aite Chem | China national standards | MT | 1097.22 | USD | 20250929 |
| Shandong Aite Chem | China national standards | MT | 1097.22 | USD | 20250929 |
| Shandong Aite Chem | China national standards | MT | 1097.22 | USD | 20250929 |
| Jinan Aochen Chem | China national standards | MT | 1083.15 | USD | 20250929 |
| Hualu Holdings | China national standards | MT | 1181.62 | USD | 20250929 |