| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Group Co., Ltd. | China national standards | MT | 874.9 | USD | 20251106 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 874.9 | USD | 20251106 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 917.24 | USD | 20251106 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1199.46 | USD | 20251106 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1199.46 | USD | 20251106 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 1199.46 | USD | 20251106 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 1157.13 | USD | 20251106 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 931.35 | USD | 20251106 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 879.14 | USD | 20251106 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 889.01 | USD | 20251106 |