| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1217.37 | USD | 20250930 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 971.08 | USD | 20250930 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1189.22 | USD | 20250930 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1189.22 | USD | 20250930 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1168.11 | USD | 20250930 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1210.33 | USD | 20250930 |
| China National Petroleum Corporation Jinzhou Petrochemical Branch | China national standards | MT | 1210.33 | 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 Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 970.61 | USD | 20250929 |