| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Chem | China national standards | MT | 1059.41 | USD | 20251202 |
| Shandong Hongyang Chem | China national standards | MT | 1433.74 | USD | 20251202 |
| Shandong Langchem | China national standards | MT | 1257.17 | USD | 20251202 |
| Shandong Jinling Chem | China national standards | MT | 1144.16 | USD | 20251202 |
| Shandong Yeyang Chem | China national standards | MT | 1115.91 | USD | 20251202 |
| Shandong Zhenkun | China national standards | MT | 1000.08 | USD | 20251202 |
| Shandong Zhenkun | China national standards | MT | 1000.08 | USD | 20251202 |
| Shandong Jinshenrun Chem | China national standards | MT | 1130.04 | USD | 20251202 |
| Shandong Jinwen Chem | China national standards | MT | 1214.79 | USD | 20251202 |
| Shandong Jinling Chem | China national standards | MT | 1073.54 | USD | 20251202 |