| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1214.88 | USD | 20251129 |
| Dongying Huatai Chem | China national standards | MT | 1115.99 | USD | 20251129 |
| Aite Zhejiang | China national standards | MT | 1299.64 | USD | 20251129 |
| Shandong Aite Chem | China national standards | MT | 1158.37 | USD | 20251129 |
| Shandong Jinling Chem | China national standards | MT | 1045.36 | USD | 20251129 |
| Shandong Jinwen Chem | China national standards | MT | 1214.88 | USD | 20251129 |
| Shandong Yuxuan Chem | China national standards | MT | 1214.88 | USD | 20251129 |
| Shandong Aite Chem | China national standards | MT | 1483.28 | USD | 20251129 |
| Shandong Aite Chem | China national standards | MT | 1455.03 | USD | 20251129 |
| Shandong Jinling Chem | China national standards | MT | 1172.5 | USD | 20251129 |