| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 1040.03 | USD | 20250926 |
| Shandong Laya Chem | China national standards | MT | 969.75 | USD | 20250926 |
| Shandong Laya Chem | China national standards | MT | 969.75 | USD | 20250926 |
| Sinopec | China national standards | MT | 1124.35 | USD | 20250926 |
| Lihuayi Shandong | China national standards | MT | 983.81 | USD | 20250926 |
| Sinopec | China national standards | MT | 983.81 | USD | 20250926 |
| Beijing Yanshan Petro | China national standards | MT | 1152.46 | USD | 20250926 |
| Beijing Yanshan Petro | China national standards | MT | 1215.71 | USD | 20250926 |
| Kunlun Daqing Petro | China national standards | MT | 1194.63 | USD | 20250926 |
| Changzhou Juyun Mat | China national standards | MT | 1349.22 | USD | 20250926 |