| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 916.15 | USD | 20251018 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 972.53 | USD | 20251018 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 986.62 | USD | 20251018 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 1198.04 | USD | 20251018 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 986.62 | USD | 20251018 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 897.83 | USD | 20251018 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 897.83 | USD | 20251018 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1113.48 | USD | 20251018 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1324.9 | USD | 20251018 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 930.25 | USD | 20251018 |