| Vendor | Spec | Unit | Price | Currency | Date |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 913.85 | USD | 20250919 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 927.9 | USD | 20250919 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 1152.85 | USD | 20250919 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1195.03 | USD | 20250919 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 1195.03 | USD | 20250919 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1195.03 | USD | 20250919 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 981.33 | USD | 20250919 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1223.15 | USD | 20250919 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 998.2 | USD | 20250919 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 998.2 | USD | 20250919 |