| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1170.97 | USD | 20250904 |
| Shandong Langchem | China national standards | MT | 1168.16 | USD | 20250904 |
| Shandong Huize Chem | China national standards | MT | 1336.35 | USD | 20250902 |
| Jiangsu Haixing Chem | China national standards | MT | 1139.42 | USD | 20250902 |
| Dongying Lianchem | China national standards | MT | 1195.68 | USD | 20250902 |
| Qingdao Shengze Chem | China national standards | MT | 1406.69 | USD | 20250902 |
| Qingdao Shengze Chem | China national standards | MT | 1406.69 | USD | 20250902 |
| Qingdao Shengze Chem | China national standards | MT | 1407.02 | USD | 20250901 |
| Qingdao Shengze Chem | China national standards | MT | 1407.02 | USD | 20250901 |
| Shandong Xingpeng Chem | China national standards | MT | 1449.23 | USD | 20250901 |