| Vendor | Spec | Unit | Price | Currency | Date |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 1195.75 | USD | 20250918 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1195.75 | USD | 20250918 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1195.75 | USD | 20250918 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 1153.55 | USD | 20250918 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 928.47 | USD | 20250918 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 998.8 | USD | 20250918 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 998.8 | USD | 20250918 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1195.75 | USD | 20250918 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1378.63 | USD | 20250918 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1223.89 | USD | 20250918 |