| Vendor | Spec | Unit | Price | Currency | Date |
| Qilu Petrochemical Construction Co., Ltd. | China national standards | MT | 727.68 | USD | 20251209 |
| Qilu Petrochemical Construction Co., Ltd. | China national standards | MT | 727.93 | USD | 20251207 |
| Qilu Petrochemical Construction Co., Ltd. | China national standards | MT | 727.93 | USD | 20251206 |
| Qilu Petrochemical Construction Co., Ltd. | China national standards | MT | 728.09 | USD | 20251204 |
| Qilu Petrochemical Construction Co., Ltd. | China national standards | MT | 727.87 | USD | 20251203 |
| Qilu Petrochemical Construction Co., Ltd. | China national standards | MT | 727.82 | USD | 20251201 |
| Qilu Petrochemical Construction Co., Ltd. | China national standards | MT | 727.51 | USD | 20251130 |
| Qilu Petrochemical Construction Co., Ltd. | China national standards | MT | 727.51 | USD | 20251129 |
| Qilu Petrochemical Construction Co., Ltd. | China national standards | MT | 727.13 | USD | 20251125 |
| Qilu Petrochemical Construction Co., Ltd. | China national standards | MT | 733.98 | USD | 20251124 |