| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1330.85 | USD | 20251013 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1295.65 | USD | 20251013 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1168.9 | USD | 20251013 |
| China National Petroleum Corporation Jinzhou Petrochemical Branch | China national standards | MT | 1211.15 | USD | 20251013 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1211.15 | USD | 20251013 |
| PetroChina Kunlun Gas Co., Ltd. Liquefied Gas Daqing Petrochemical Branch | China national standards | MT | 1197.07 | USD | 20251013 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1218.19 | USD | 20251013 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1190.02 | USD | 20251013 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1190.02 | USD | 20251013 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1351.98 | USD | 20251013 |