| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 875.13 | USD | 20251124 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1171.54 | USD | 20251124 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1171.54 | USD | 20251124 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 874.78 | USD | 20251123 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 987.65 | USD | 20251123 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1058.2 | USD | 20251122 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1199.29 | USD | 20251122 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 987.65 | USD | 20251122 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 874.78 | USD | 20251122 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1114.64 | USD | 20251122 |