| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 955.7 | USD | 20250927 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 955.7 | USD | 20250927 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 955.7 | USD | 20250927 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 941.65 | USD | 20250927 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 944.46 | USD | 20250927 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 944.46 | USD | 20250927 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 969.75 | USD | 20250927 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 969.75 | USD | 20250927 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 969.75 | USD | 20250927 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 969.75 | USD | 20250927 |