| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1129.37 | USD | 20251107 |
| Shandong Hongyang Chem | China national standards | MT | 1129.37 | USD | 20251107 |
| Shandong Zhiheng | China national standards | MT | 1256.42 | USD | 20251107 |
| Shandong Zhenkun | China national standards | MT | 1079.96 | USD | 20251107 |
| Liaocheng Yuanze Chem | China national standards | MT | 875.26 | USD | 20251107 |
| Qingdao Shengze Chem | China national standards | MT | 825.85 | USD | 20251107 |
| Qingdao Shengze Chem | China national standards | MT | 825.51 | USD | 20251106 |
| Shandong Xima | China national standards | MT | 987.79 | USD | 20251106 |
| Shandong Qiangsen Chem | China national standards | MT | 987.79 | USD | 20251106 |
| Shandong Yihe Chem | China national standards | MT | 818.46 | USD | 20251106 |