| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 931.15 | USD | 20251031 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1156.88 | USD | 20251031 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1220.65 | USD | 20251030 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 931.36 | USD | 20251030 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 884.79 | USD | 20251030 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1157.49 | USD | 20251029 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 931.64 | USD | 20251029 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1221.01 | USD | 20251029 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 885.06 | USD | 20251029 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1220.79 | USD | 20251028 |