| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 254.0 | USD | 20251106 |
| Shandong Hanyue Chem | China national standards | MT | 268.12 | USD | 20251106 |
| Shandong Hanyue Chem | China national standards | MT | 268.12 | USD | 20251106 |
| Shandong Yushuo Chem | China national standards | MT | 261.06 | USD | 20251106 |
| Shandong Yushuo Chem | China national standards | MT | 261.06 | USD | 20251106 |
| Shandong Yushuo Chem | China national standards | MT | 261.06 | USD | 20251106 |
| Shandong Yushuo Chem | China national standards | MT | 261.06 | USD | 20251106 |
| Shandong Yushuo Chem | China national standards | MT | 261.06 | USD | 20251106 |
| Luxi Chem | China national standards | MT | 261.06 | USD | 20251106 |
| Shandong Jinling Chem | China national standards | MT | 261.06 | USD | 20251106 |