| Vendor | Spec | Unit | Price | Currency | Date |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 932.35 | USD | 20251128 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 932.35 | USD | 20251128 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1101.87 | USD | 20251128 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1094.8 | USD | 20251128 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 932.48 | USD | 20251127 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1102.02 | USD | 20251127 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1094.69 | USD | 20251126 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 932.26 | USD | 20251126 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1101.76 | USD | 20251126 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 931.86 | USD | 20251125 |