| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1189.22 | USD | 20250930 |
| Shandong Zhiheng | China national standards | MT | 1168.11 | USD | 20250930 |
| Sinopec | China national standards | MT | 1210.33 | USD | 20250930 |
| CNPC | China national standards | MT | 1210.33 | USD | 20250930 |
| Xiamen Yudeshun Chem | China national standards | MT | 1336.99 | USD | 20250930 |
| Xiamen Yudeshun Chem | China national standards | MT | 1336.99 | USD | 20250930 |
| Sinopec | China national standards | MT | 970.61 | USD | 20250929 |
| Shandong Yushuo Chem | China national standards | MT | 970.61 | USD | 20250929 |
| Shandong Yushuo Chem | China national standards | MT | 970.61 | USD | 20250929 |
| Shandong Yushuo Chem | China national standards | MT | 970.61 | USD | 20250929 |