| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chem | Industrial Grade | MT | 801.86 | USD | 20250918 |
| Qingdao Chengxin Chem | China national standards | MT | 787.79 | USD | 20250918 |
| Shandong Wells Chem | China national standards | MT | 815.92 | USD | 20250918 |
| Qingdao Chengxin Chem | China national standards | MT | 787.79 | USD | 20250918 |
| Qingdao Shengze Chem | Industrial Grade | MT | 815.92 | USD | 20250918 |
| Qingdao Shengze Chem | Industrial Grade | MT | 815.92 | USD | 20250918 |
| Qingdao Shengze Chem | Industrial Grade | MT | 815.92 | USD | 20250918 |
| Qingdao Shengze Chem | Industrial Grade | MT | 815.92 | USD | 20250918 |
| Shanghai Ronghe Chem | China national standards | MT | 844.06 | USD | 20250918 |
| Shandong Huize Chem | China national standards | MT | 844.06 | USD | 20250918 |