| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 883.97 | USD | 20251021 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 972.79 | USD | 20251021 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1226.56 | USD | 20251021 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1226.56 | USD | 20251021 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 986.89 | USD | 20251021 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1332.3 | USD | 20251021 |
| China National Petroleum Corporation Jinzhou Petrochemical Branch | China national standards | MT | 1212.46 | USD | 20251021 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 972.79 | USD | 20251021 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 891.02 | USD | 20251021 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 883.97 | USD | 20251021 |