| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1217.33 | USD | 20250925 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1154.0 | USD | 20250925 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 942.9 | USD | 20250925 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 942.9 | USD | 20250924 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1217.33 | USD | 20250924 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1154.0 | USD | 20250924 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 928.83 | USD | 20250923 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1154.0 | USD | 20250923 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1217.33 | USD | 20250923 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 987.94 | USD | 20250923 |