| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 999.23 | USD | 20251005 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1013.3 | USD | 20251005 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 971.08 | USD | 20251005 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1013.3 | USD | 20251004 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 971.08 | USD | 20251004 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 985.15 | USD | 20251004 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1013.3 | USD | 20251003 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1013.3 | USD | 20251002 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1013.3 | USD | 20251001 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1168.11 | USD | 20250930 |