| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Group Co., Ltd. | China national standards | MT | 948.53 | USD | 20250923 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 914.76 | USD | 20250923 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1182.15 | USD | 20250923 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1104.75 | USD | 20250923 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1104.75 | USD | 20250923 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1266.59 | USD | 20250923 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1266.59 | USD | 20250923 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1266.59 | USD | 20250923 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 956.98 | USD | 20250923 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 956.98 | USD | 20250923 |