| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1197.27 | USD | 20251015 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1197.27 | USD | 20251015 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1056.41 | USD | 20251015 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 993.03 | USD | 20251015 |
| Sinopec Shanghai Gaoqiao Petrochemical Company | China national standards | MT | 929.64 | USD | 20251015 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 929.64 | USD | 20251015 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1098.67 | USD | 20251015 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1197.27 | USD | 20251015 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1000.07 | USD | 20251015 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 922.6 | USD | 20251015 |