| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 956.37 | USD | 20251009 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1054.82 | USD | 20251009 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1054.82 | USD | 20251009 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1167.34 | USD | 20251009 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1111.08 | USD | 20251009 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 971.08 | USD | 20251008 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 985.15 | USD | 20251008 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1013.3 | USD | 20251007 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 971.08 | USD | 20251007 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1013.3 | USD | 20251006 |