| Vendor | Spec | Unit | Price | Currency | Date |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1352.99 | USD | 20251022 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1268.43 | USD | 20251022 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1381.18 | USD | 20251022 |
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 1099.3 | USD | 20251022 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1226.15 | USD | 20251022 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1268.43 | USD | 20251022 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1197.96 | USD | 20251022 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1190.91 | USD | 20251022 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1212.05 | USD | 20251022 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 890.72 | USD | 20251022 |