| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1365.1 | USD | 20250925 |
| SINOPEC Maoming Petrochemical Co., Ltd. | China national standards | MT | 1224.37 | USD | 20250925 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 956.98 | USD | 20250925 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 956.98 | USD | 20250925 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 942.9 | USD | 20250925 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 956.98 | USD | 20250925 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 928.83 | USD | 20250925 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 1154.0 | USD | 20250925 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1196.22 | USD | 20250925 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 1196.22 | USD | 20250925 |