| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Waien Chem | China national standards | MT | 917.61 | USD | 20251107 |
| Shandong Fusheng | China national standards | MT | 1100.68 | USD | 20251106 |
| Shandong Aite Chem | China national standards | MT | 1100.68 | USD | 20251106 |
| Shandong Aite Chem | China national standards | MT | 1128.91 | USD | 20251106 |
| Shandong Aite Chem | China national standards | MT | 1100.68 | USD | 20251106 |
| Shandong Aite Chem | China national standards | MT | 1128.91 | USD | 20251106 |
| Shandong Aite Chem | China national standards | MT | 1128.91 | USD | 20251106 |
| Shandong Aite Chem | China national standards | MT | 1128.91 | USD | 20251106 |
| Jinan Angxin Chem | China national standards | MT | 959.57 | USD | 20251106 |
| Jinan Angxin Chem | China national standards | MT | 959.57 | USD | 20251106 |