| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 909.66 | USD | 20251211 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 820.53 | USD | 20251211 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 820.53 | USD | 20251211 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1061.03 | USD | 20251211 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1202.5 | USD | 20251211 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 848.82 | USD | 20251211 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 848.82 | USD | 20251211 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 919.56 | USD | 20251211 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 820.53 | USD | 20251211 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 806.38 | USD | 20251211 |