| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1216.78 | USD | 20250929 |
| PetroChina Kunlun Gas Co., Ltd. Liquefied Gas Daqing Petrochemical Branch | China national standards | MT | 1195.68 | USD | 20250929 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 956.55 | USD | 20250929 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1294.15 | USD | 20250929 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1294.15 | USD | 20250929 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 942.48 | USD | 20250929 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 970.61 | USD | 20250929 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1350.42 | USD | 20250929 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 984.68 | USD | 20250929 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 998.75 | USD | 20250929 |