| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 1334.07 | USD | 20251107 |
| Shandong Zhiheng | China national standards | MT | 1411.71 | USD | 20251107 |
| Shandong Hongyang Chem | China national standards | MT | 1432.89 | USD | 20251107 |
| Shandong Zhenkun | China national standards | MT | 999.49 | USD | 20251107 |
| Shandong Yeyang Chem | China national standards | MT | 1115.25 | USD | 20251107 |
| Shandong Xingpeng Chem | China national standards | MT | 1058.35 | USD | 20251106 |
| Shandong Jinling Chem | China national standards | MT | 1072.46 | USD | 20251106 |
| Dongying Huatai Chem | China national standards | MT | 1058.35 | USD | 20251106 |
| Shandong Jinling Chem | China national standards | MT | 1058.35 | USD | 20251106 |
| Dongying Huatai Chem | China national standards | MT | 1058.35 | USD | 20251106 |