| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1040.38 | USD | 20250920 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 984.14 | USD | 20250920 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1152.85 | USD | 20250920 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 984.14 | USD | 20250920 |
| SINOPEC Maoming Petrochemical Co., Ltd. | China national standards | MT | 1124.73 | USD | 20250920 |
| PetroChina Kunlun Gas Co., Ltd. Liquefied Gas Daqing Petrochemical Branch | China national standards | MT | 1195.03 | USD | 20250920 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1216.12 | USD | 20250920 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 988.36 | USD | 20250919 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1241.42 | USD | 20250919 |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 1244.24 | USD | 20250919 |