| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 908.27 | USD | 20251202 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 918.16 | USD | 20251202 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1115.91 | USD | 20251202 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 918.61 | USD | 20251201 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 918.61 | USD | 20251201 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 961.01 | USD | 20251201 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 908.72 | USD | 20251201 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 975.14 | USD | 20251201 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1158.86 | USD | 20251201 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 961.01 | USD | 20251201 |