| Vendor | Spec | Unit | Price | Currency | Date |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 957.01 | USD | 20251007 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 957.01 | USD | 20251005 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 957.01 | USD | 20251004 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 942.93 | USD | 20251004 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 942.93 | USD | 20250930 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 942.93 | USD | 20250930 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 957.01 | USD | 20250930 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 971.08 | USD | 20250930 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 942.93 | USD | 20250930 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 942.48 | USD | 20250929 |