| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Henrui Chem | China national standards | MT | 914.78 | USD | 20250930 |
| Shandong Jinshenrun Chem | China national standards | MT | 1013.3 | USD | 20250930 |
| Shandong Jinshenrun Chem | China national standards | MT | 1013.3 | USD | 20250930 |
| Beijing Yanshan Petro | China national standards | MT | 1013.3 | USD | 20250930 |
| Shanghai Guoke | China national standards | MT | 1277.88 | USD | 20250930 |
| Jinan Jinrihe Chem | China national standards | MT | 999.23 | USD | 20250930 |
| Jinan Jinrihe Chem | China national standards | MT | 999.23 | USD | 20250930 |
| Shandong Langchem | China national standards | MT | 1097.74 | USD | 20250930 |
| Shandong Langchem | China national standards | MT | 1111.81 | USD | 20250930 |
| Shandong Langchem | China national standards | MT | 1111.81 | USD | 20250930 |