| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 791.49 | USD | 20250820 |
| Shandong Qiancheng | China national standards | MT | 840.52 | USD | 20250820 |
| Jiangsu Huachang Chem | China national standards | MT | 2143.34 | USD | 20250820 |
| Shandong Junfeng | China national standards | MT | 2143.34 | USD | 20250820 |
| Shandong Junfeng | China national standards | MT | 2143.34 | USD | 20250820 |
| Shandong Junfeng | China national standards | MT | 2143.34 | USD | 20250820 |
| Shandong Junfeng | China national standards | MT | 2171.35 | USD | 20250820 |
| Shandong Xingpeng Chem | China national standards | MT | 784.49 | USD | 20250820 |
| Zibo Lishuo Chem | China national standards | MT | 910.57 | USD | 20250820 |
| Zibo Lishuo Chem | China national standards | MT | 910.57 | USD | 20250820 |