| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | Industrial Grade | MT | 815.16 | USD | 20250928 |
| Qingdao Shengze Chem | China national standards | MT | 815.16 | USD | 20250928 |
| Shinghwa AdvMat | China national standards | MT | 899.48 | USD | 20250928 |
| Shandong Wells Chem | China national standards | MT | 1011.92 | USD | 20250928 |
| Shandong Wells Chem | China national standards | MT | 1025.97 | USD | 20250928 |
| Jinan Aochen Chem | China national standards | MT | 1011.92 | USD | 20250928 |
| Shanghai Lanyan | China national standards | MT | 1335.17 | USD | 20250928 |
| Hubei 789 Chem | China national standards | MT | 913.54 | USD | 20250928 |
| Hubei 789 Chem | China national standards | MT | 913.54 | USD | 20250928 |
| Shandong Aite Chem | China national standards | MT | 913.54 | USD | 20250928 |