| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 875.84 | USD | 20251130 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 875.84 | USD | 20251130 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 918.22 | USD | 20251130 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 918.22 | USD | 20251129 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1059.49 | USD | 20251129 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 974.73 | USD | 20251129 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 875.84 | USD | 20251129 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1172.5 | USD | 20251129 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 875.84 | USD | 20251129 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 875.84 | USD | 20251128 |