| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 1013.27 | USD | 20250924 |
| Jinan Pulaihua Chem | China national standards | MT | 1111.78 | USD | 20250923 |
| Jinan Pulaihua Chem | China national standards | MT | 1111.78 | USD | 20250923 |
| Tongling Jintai Chem | China national standards | MT | 802.17 | USD | 20250923 |
| Shandong Aite Chem | China national standards | MT | 914.76 | USD | 20250923 |
| Shandong Aite Chem | China national standards | MT | 1097.71 | USD | 20250923 |
| Nantong Zhonghe Chem | China national standards | MT | 844.39 | USD | 20250923 |
| Shandong Huize Chem | China national standards | MT | 844.39 | USD | 20250923 |
| Qingdao Shengze Chem | China national standards | MT | 816.25 | USD | 20250923 |
| Qingdao Shengze Chem | Industrial Grade | MT | 816.25 | USD | 20250923 |