| Vendor | Spec | Unit | Price | Currency | Date |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 1245.64 | USD | 20251010 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 985.25 | USD | 20251010 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1287.86 | USD | 20251010 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1013.4 | USD | 20251010 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 1154.15 | USD | 20251010 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 985.25 | USD | 20251010 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 938.8 | USD | 20251010 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1041.55 | USD | 20251010 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1196.37 | USD | 20251010 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1041.55 | USD | 20251010 |