| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1194.63 | USD | 20250928 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 969.75 | USD | 20250928 |
| PetroChina Kunlun Gas Co., Ltd. Liquefied Gas Daqing Petrochemical Branch | China national standards | MT | 1194.63 | USD | 20250928 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1215.71 | USD | 20250928 |
| China National Petroleum Corporation Jinzhou Petrochemical Branch | China national standards | MT | 1208.68 | USD | 20250928 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1208.68 | USD | 20250928 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1166.52 | USD | 20250928 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1187.6 | USD | 20250928 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1187.6 | USD | 20250928 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1349.22 | USD | 20250928 |