| Vendor | Spec | Unit | Price | Currency | Date |
| Aite Zhejiang | China national standards | MT | 1125.05 | USD | 20250903 |
| Shandong Junfeng | China national standards | MT | 1195.36 | USD | 20250903 |
| Aite Zhejiang | China national standards | MT | 1125.35 | USD | 20250902 |
| Qingdao Shengze Chem | China national standards | MT | 1012.81 | USD | 20250902 |
| Shandong Xingpeng Chem | China national standards | MT | 1040.95 | USD | 20250902 |
| Qingdao Shengze Chem | China national standards | MT | 1013.06 | USD | 20250901 |
| Shandong Xingpeng Chem | China national standards | MT | 1041.2 | USD | 20250901 |
| Shandong Xima | China national standards | MT | 956.78 | USD | 20250901 |
| Shandong Junfeng | China national standards | MT | 1195.97 | USD | 20250901 |
| Shandong Qiangsen Chem | China national standards | MT | 984.92 | USD | 20250901 |