| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 942.48 | USD | 20250929 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1152.46 | USD | 20250928 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1215.71 | USD | 20250928 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 941.65 | USD | 20250928 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 941.65 | USD | 20250927 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 941.65 | USD | 20250926 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1215.71 | USD | 20250926 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1152.46 | USD | 20250926 |
| 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 |