| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 946.43 | USD | 20250822 |
| Shandong Langchem | China national standards | MT | 1121.69 | USD | 20250822 |
| Shandong Langchem | China national standards | MT | 1100.66 | USD | 20250822 |
| Shandong Langchem | China national standards | MT | 1107.67 | USD | 20250822 |
| Shandong Langchem | China national standards | MT | 1107.67 | USD | 20250822 |
| Shandong Langchem | China national standards | MT | 1093.65 | USD | 20250822 |
| Shandong Junfeng | China national standards | MT | 1051.58 | USD | 20250822 |
| Shandong Junfeng | China national standards | MT | 981.48 | USD | 20250822 |
| JS Xiaomi Chem | China national standards | MT | 951.09 | USD | 20250821 |
| Qingdao Shengze Chem | China national standards | MT | 946.88 | USD | 20250821 |