| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1106.35 | USD | 20251022 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 883.97 | USD | 20251021 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 883.97 | USD | 20251021 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 883.97 | USD | 20251021 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 883.97 | USD | 20251021 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 883.97 | USD | 20251021 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 883.97 | USD | 20251021 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 883.97 | USD | 20251021 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 883.97 | USD | 20251021 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 883.97 | USD | 20251021 |