| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chem | China national standards | MT | 955.7 | USD | 20250926 |
| Jinan Xinbo Chem | China national standards | MT | 1124.35 | USD | 20250926 |
| Jinan Xinbo Chem | China national standards | MT | 1152.46 | USD | 20250926 |
| Nantong Zhonghe Chem | China national standards | MT | 955.7 | USD | 20250926 |
| Beijing Yanshan Petro | China national standards | MT | 1194.63 | USD | 20250926 |
| Shandong Langchem | China national standards | MT | 1124.35 | USD | 20250926 |
| Shandong Langchem | China national standards | MT | 1103.27 | USD | 20250926 |
| Shandong Langchem | China national standards | MT | 1110.3 | USD | 20250926 |
| Shandong Langchem | China national standards | MT | 1110.3 | USD | 20250926 |
| Shandong Langchem | China national standards | MT | 1096.24 | USD | 20250926 |