| Vendor | Spec | Unit | Price | Currency | Date |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1096.92 | USD | 20250827 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1089.89 | USD | 20250827 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1095.69 | USD | 20250826 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1088.67 | USD | 20250826 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1096.11 | USD | 20250825 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1089.08 | USD | 20250825 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1086.64 | USD | 20250823 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1093.65 | USD | 20250823 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1086.64 | USD | 20250822 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1093.65 | USD | 20250822 |