| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1072.22 | USD | 20251027 |
| Sinopec Shanghai Gaoqiao Petrochemical Company | China national standards | MT | 931.14 | USD | 20251027 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1100.44 | USD | 20251027 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1001.68 | USD | 20251027 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1093.38 | USD | 20251027 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 919.85 | USD | 20251027 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 987.57 | USD | 20251027 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1128.65 | USD | 20251027 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 919.24 | USD | 20251026 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 919.24 | USD | 20251026 |