| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1905.81 | USD | 20251107 |
| Shandong Zhenkun | China national standards | MT | 1454.06 | USD | 20251107 |
| Shandong Luxi Chem | China national standards | MT | 1538.77 | USD | 20251107 |
| Shandong Dongyue | China national standards | MT | 1835.23 | USD | 20251107 |
| Shandong Yuxuan Chem | China national standards | MT | 1622.8 | USD | 20251106 |
| Shandong Zhenkun | China national standards | MT | 1453.47 | USD | 20251106 |
| Shandong Hongyang Chem | China national standards | MT | 1905.03 | USD | 20251106 |
| Shandong Hongyang Chem | China national standards | MT | 1904.06 | USD | 20251105 |
| Shandong Zhenkun | China national standards | MT | 1452.73 | USD | 20251105 |
| Shandong Dongyue | China national standards | MT | 1833.54 | USD | 20251105 |