| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 885.14 | USD | 20251107 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1221.13 | USD | 20251107 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1157.6 | USD | 20251107 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1157.13 | USD | 20251106 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1220.63 | USD | 20251106 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 931.35 | USD | 20251106 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 884.33 | USD | 20251105 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1220.01 | USD | 20251105 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1156.54 | USD | 20251105 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 931.09 | USD | 20251104 |