| Vendor | Spec | Unit | Price | Currency | Date |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 956.32 | USD | 20250922 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 956.32 | USD | 20250922 |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 1244.62 | USD | 20250922 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1241.81 | USD | 20250922 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 987.26 | USD | 20250922 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 984.45 | USD | 20250922 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 987.26 | USD | 20250922 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 966.16 | USD | 20250922 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 966.16 | USD | 20250922 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 966.16 | USD | 20250922 |