| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 971.08 | USD | 20250930 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 971.08 | USD | 20250930 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 971.08 | USD | 20250930 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 971.08 | USD | 20250930 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 957.01 | USD | 20250930 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 942.93 | USD | 20250930 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 942.93 | USD | 20250930 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 942.93 | USD | 20250930 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 942.93 | USD | 20250930 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 942.93 | USD | 20250930 |