| Vendor | Spec | Unit | Price | Currency | Date |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 868.78 | USD | 20251130 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1010.04 | USD | 20251129 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 868.78 | USD | 20251129 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1010.04 | USD | 20251128 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 868.78 | USD | 20251128 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 889.97 | USD | 20251128 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 840.64 | USD | 20251127 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1010.19 | USD | 20251127 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 890.09 | USD | 20251127 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1009.94 | USD | 20251126 |