| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 988.2 | USD | 20251109 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 889.38 | USD | 20251109 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1058.78 | USD | 20251108 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 889.38 | USD | 20251108 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 889.38 | USD | 20251108 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 988.2 | USD | 20251108 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1199.95 | USD | 20251107 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 889.38 | USD | 20251107 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1058.78 | USD | 20251107 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1171.72 | USD | 20251107 |