| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1057.1 | USD | 20251018 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 916.15 | USD | 20251018 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1169.85 | USD | 20251018 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 923.2 | USD | 20251018 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 986.62 | USD | 20251018 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 944.34 | USD | 20251018 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1198.04 | USD | 20251018 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1198.04 | USD | 20251017 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 951.39 | USD | 20251017 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1155.76 | USD | 20251017 |