| Vendor | Spec | Unit | Price | Currency | Date |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 908.18 | USD | 20251014 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 908.18 | USD | 20251014 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1013.78 | USD | 20251014 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1027.86 | USD | 20251014 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1126.43 | USD | 20251014 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1267.23 | USD | 20251014 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 908.18 | USD | 20251014 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1239.07 | USD | 20251014 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1041.95 | USD | 20251014 |
| PetroChina Kunlun Gas Co., Ltd. Liquefied Gas Daqing Petrochemical Branch | China national standards | MT | 1013.78 | USD | 20251014 |