| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 903.04 | USD | 20251119 |
| Zibo Lishuo Chem | China national standards | MT | 987.7 | USD | 20251119 |
| Shandong Yushuo Chem | China national standards | MT | 903.04 | USD | 20251119 |
| Beijing Yanshan Petro | China national standards | MT | 1220.51 | USD | 20251119 |
| Sinopec | China national standards | MT | 903.04 | USD | 20251119 |
| Zibo Lishuo Chem | China national standards | MT | 987.7 | USD | 20251119 |
| Lihuayi Shandong | China national standards | MT | 1326.33 | USD | 20251119 |
| Sinopec | China national standards | MT | 1227.57 | USD | 20251119 |
| Lihuayi Shandong | China national standards | MT | 898.8 | USD | 20251119 |
| Shandong Yuhuang Chem | China national standards | MT | 1368.66 | USD | 20251119 |