| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 884.53 | USD | 20251104 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1156.8 | USD | 20251104 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1220.29 | USD | 20251104 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 884.76 | USD | 20251103 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1157.1 | USD | 20251103 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1220.6 | USD | 20251103 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1156.88 | USD | 20251101 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1220.37 | USD | 20251101 |
| 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 | 1220.37 | USD | 20251031 |