| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1398.42 | USD | 20251202 |
| Shandong Zhenkun | China national standards | MT | 1000.08 | USD | 20251202 |
| Shandong Jinling Chem | China national standards | MT | 1073.54 | USD | 20251202 |
| Shandong Yeyang Chem | China national standards | MT | 1257.17 | USD | 20251202 |
| Shandong Jinling | China national standards | MT | 1384.3 | USD | 20251202 |
| Shandong Jinwen Chem | China national standards | MT | 1214.79 | USD | 20251202 |
| Shandong Hongyang Chem | China national standards | MT | 1433.74 | USD | 20251202 |
| Shandong Langchem | China national standards | MT | 1257.17 | USD | 20251202 |
| Shandong Jinmao | China national standards | MT | 1299.55 | USD | 20251202 |
| Dongying Huatai Chem | China national standards | MT | 1101.79 | USD | 20251202 |