| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 1829.57 | USD | 20251001 |
| Qingdao Chengxin Chem | China national standards | MT | 914.78 | USD | 20250930 |
| Jiangsu Yingte Chem | China national standards | MT | 1139.96 | USD | 20250930 |
| Shandong Yaowang Chem | China national standards | MT | 1773.27 | USD | 20250930 |
| Qingdao Shengze Chem | China national standards | MT | 1463.65 | USD | 20250930 |
| Shandong Aite Chem | China national standards | MT | 1125.89 | USD | 20250930 |
| Jinan Aochen Chem | China national standards | MT | 1351.07 | USD | 20250930 |
| Jinan Aochen Chem | China national standards | MT | 1351.07 | USD | 20250930 |
| Jinan Aochen Chem | China national standards | MT | 1266.62 | USD | 20250930 |
| Jinan Aochen Chem | China national standards | MT | 1308.85 | USD | 20250930 |