| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 646.72 | USD | 20250921 |
| Shandong Daoqin Chem | China national standards | MT | 956.02 | USD | 20250921 |
| Shandong Xingpeng Chem | China national standards | MT | 646.72 | USD | 20250920 |
| Shandong Aite Chem | China national standards | MT | 913.85 | USD | 20250920 |
| Shandong Aite Chem | China national standards | MT | 913.85 | USD | 20250920 |
| Shandong Aite Chem | China national standards | MT | 1096.61 | USD | 20250920 |
| Shinghwa AdvMat | China national standards | MT | 899.79 | USD | 20250920 |
| Qingdao Shengze Chem | Industrial Grade | MT | 815.43 | USD | 20250920 |
| Qingdao Shengze Chem | China national standards | MT | 815.43 | USD | 20250920 |
| Jinan Dezheng Chem | Industrial Grade | MT | 801.37 | USD | 20250920 |