| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 985.25 | USD | 20251010 |
| China National Petroleum Corporation Jinzhou Petrochemical Branch | China national standards | MT | 1210.45 | USD | 20251010 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1330.09 | USD | 20251010 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 932.46 | USD | 20251009 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 932.46 | USD | 20251009 |
| PetroChina Kunlun Gas Co., Ltd. Liquefied Gas Daqing Petrochemical Branch | China national standards | MT | 1195.47 | USD | 20251009 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1216.56 | USD | 20251009 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1195.47 | USD | 20251009 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1054.82 | USD | 20251009 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1040.76 | USD | 20251009 |