| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 986.95 | USD | 20250919 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1152.85 | USD | 20250919 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1153.55 | USD | 20250918 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 987.55 | USD | 20250918 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1216.85 | USD | 20250918 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 928.47 | USD | 20250918 |