| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1199.21 | USD | 20251101 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 907.17 | USD | 20251101 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 917.04 | USD | 20251101 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 987.58 | USD | 20251101 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1058.13 | USD | 20251101 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1170.99 | USD | 20251101 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 987.58 | USD | 20251031 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1058.13 | USD | 20251031 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1156.88 | USD | 20251031 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1170.99 | USD | 20251031 |