| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 918.55 | USD | 20251208 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 847.89 | USD | 20251208 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 975.07 | USD | 20251208 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 908.65 | USD | 20251208 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1172.91 | USD | 20251208 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 819.63 | USD | 20251208 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1201.18 | USD | 20251208 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1059.86 | USD | 20251208 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 805.49 | USD | 20251208 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 805.67 | USD | 20251207 |