| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 731.81 | USD | 20250923 |
| Jinan Jinrihe Chem | China national standards | MT | 738.84 | USD | 20250923 |
| Shandong Langchem | China national standards | MT | 886.61 | USD | 20250923 |
| Shandong Xima | China national standards | MT | 703.66 | USD | 20250923 |
| Shandong Xima | China national standards | MT | 703.66 | USD | 20250923 |
| Shandong Xima | China national standards | MT | 703.66 | USD | 20250923 |
| Shandong Xima | China national standards | MT | 703.66 | USD | 20250923 |
| Shandong Qiangsen Chem | China national standards | MT | 802.17 | USD | 20250923 |
| Shandong Qiangsen Chem | China national standards | MT | 802.17 | USD | 20250923 |
| Shandong Jinwen Chem | China national standards | MT | 851.43 | USD | 20250923 |