| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1217.37 | USD | 20250930 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1154.04 | USD | 20250930 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 985.15 | USD | 20250930 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1336.99 | USD | 20250930 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1336.99 | USD | 20250930 |
| China National Petroleum Corporation Jinzhou Petrochemical Branch | China national standards | MT | 1210.33 | USD | 20250930 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1210.33 | USD | 20250930 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1168.11 | USD | 20250930 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1322.92 | USD | 20250930 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1308.85 | USD | 20250930 |