| Vendor | Spec | Unit | Price | Currency | Date |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1054.76 | USD | 20250922 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 773.49 | USD | 20250922 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 2151.05 | USD | 20250919 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1054.44 | USD | 20250919 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 773.25 | USD | 20250919 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1055.07 | USD | 20250918 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 773.72 | USD | 20250918 |