| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Wells Chem | China national standards | MT | 815.16 | USD | 20250928 |
| Qingdao Chengxin Chem | China national standards | MT | 787.05 | USD | 20250928 |
| Nantong Zhonghe Chem | China national standards | MT | 843.27 | USD | 20250928 |
| Shandong Xingpeng Chem | China national standards | MT | 646.5 | USD | 20250928 |
| 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 |