| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chem | China national standards | MT | 973.68 | USD | 20251106 |
| Beijing Yanshan Petro | China national standards | MT | 1157.13 | USD | 20251106 |
| Sinopec | China national standards | MT | 874.9 | USD | 20251106 |
| Shandong Qiangsen Chem | China national standards | MT | 1044.24 | USD | 20251106 |
| Lihuayi Shandong | China national standards | MT | 1382.91 | USD | 20251106 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1326.47 | USD | 20251106 |
| Shandong Langchem | China national standards | MT | 1298.24 | USD | 20251106 |
| Shandong Yuhuang Chem | China national standards | MT | 1368.8 | USD | 20251106 |
| Shandong Aite Chem | China national standards | MT | 1227.69 | USD | 20251106 |
| Shandong Jinwen Chem | China national standards | MT | 1199.46 | USD | 20251106 |