| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 928.19 | USD | 20250922 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 1153.21 | USD | 20250922 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1195.4 | USD | 20250922 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 1195.4 | USD | 20250922 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1195.4 | USD | 20250922 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1223.53 | USD | 20250922 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 970.38 | USD | 20250922 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 914.13 | USD | 20250922 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1040.7 | USD | 20250922 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1040.7 | USD | 20250922 |