| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1433.74 | USD | 20251202 |
| Aite Zhejiang | China national standards | MT | 1299.55 | USD | 20251202 |
| Xiamen Yudeshun Chem | China national standards | MT | 1680.93 | USD | 20251202 |
| Shandong Yeyang Chem | China national standards | MT | 1101.79 | USD | 20251202 |
| Shandong Zhenkun | China national standards | MT | 1000.08 | USD | 20251202 |
| Jinan Aochen Chem | China national standards | MT | 1553.8 | USD | 20251202 |
| Shandong Langchem | China national standards | MT | 1257.17 | USD | 20251202 |
| Shandong Langchem | China national standards | MT | 1214.79 | USD | 20251202 |
| Shandong Jinling | China national standards | MT | 1384.3 | USD | 20251202 |
| Dongying Huatai Chem | China national standards | MT | 1115.91 | USD | 20251202 |