| Vendor | Spec | Unit | Price | Currency | Date |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 931.35 | USD | 20251106 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1100.68 | USD | 20251106 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1093.07 | USD | 20251105 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1100.13 | USD | 20251105 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1100.37 | USD | 20251104 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 931.09 | USD | 20251104 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1093.32 | USD | 20251104 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 931.32 | USD | 20251103 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1100.65 | USD | 20251103 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1093.6 | USD | 20251103 |