| Vendor | Spec | Unit | Price | Currency | Date |
| Qilu Petrochemical Construction Co., Ltd. | China national standards | MT | 757.88 | USD | 20251028 |
| Qilu Petrochemical Construction Co., Ltd. | China national standards | MT | 757.61 | USD | 20251027 |
| Qilu Petrochemical Construction Co., Ltd. | China national standards | MT | 757.11 | USD | 20251026 |
| Qilu Petrochemical Construction Co., Ltd. | China national standards | MT | 757.11 | USD | 20251025 |
| Qilu Petrochemical Construction Co., Ltd. | China national standards | MT | 757.11 | USD | 20251024 |
| Qilu Petrochemical Construction Co., Ltd. | China national standards | MT | 768.49 | USD | 20251023 |
| Qilu Petrochemical Construction Co., Ltd. | China national standards | MT | 768.1 | USD | 20251022 |