| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1113.81 | USD | 20251025 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 919.24 | USD | 20251025 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1113.81 | USD | 20251024 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 919.24 | USD | 20251024 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1198.4 | USD | 20251024 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 919.24 | USD | 20251024 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 986.92 | USD | 20251024 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 930.52 | USD | 20251024 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 930.65 | USD | 20251023 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 944.75 | USD | 20251023 |