| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 883.97 | USD | 20251021 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1218.77 | USD | 20251020 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1155.37 | USD | 20251020 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 890.48 | USD | 20251020 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 929.93 | USD | 20251020 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 930.25 | USD | 20251018 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 897.83 | USD | 20251018 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1219.19 | USD | 20251017 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1155.76 | USD | 20251017 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1218.86 | USD | 20251016 |