| Vendor | Spec | Unit | Price | Currency | Date |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 933.71 | USD | 20251211 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1011.52 | USD | 20251211 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 990.3 | USD | 20251211 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 932.82 | USD | 20251210 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 989.36 | USD | 20251210 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1010.56 | USD | 20251210 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 989.08 | USD | 20251209 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1010.27 | USD | 20251209 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 932.56 | USD | 20251209 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1010.4 | USD | 20251208 |