| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1379.17 | USD | 20250924 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1196.22 | USD | 20250924 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1013.27 | USD | 20250924 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 956.98 | USD | 20250924 |
| Changzhou Dohow Chemical Co., Ltd. | China national standards | MT | 956.98 | USD | 20250924 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 956.98 | USD | 20250924 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 942.9 | USD | 20250924 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 956.98 | USD | 20250924 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 956.98 | USD | 20250924 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1294.74 | USD | 20250924 |