| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Chengxin Chem | China national standards | MT | 957.01 | USD | 20250930 |
| Sinopec | China national standards | MT | 942.93 | USD | 20250930 |
| Sinopec | China national standards | MT | 940.12 | USD | 20250930 |
| Wanhua Chem | China national standards | MT | 985.15 | USD | 20250930 |
| Lihuayi Shandong | China national standards | MT | 945.75 | USD | 20250930 |
| Lihuayi Shandong | China national standards | MT | 1111.81 | USD | 20250930 |
| Lihuayi Shandong | China national standards | MT | 940.12 | USD | 20250930 |
| Lihuayi Shandong | China national standards | MT | 957.01 | USD | 20250930 |
| Sinopec | China national standards | MT | 942.93 | USD | 20250930 |
| Shaanxi Yanchang Petro | China national standards | MT | 957.01 | USD | 20250930 |