| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1154.15 | USD | 20251011 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 985.25 | USD | 20251011 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 985.25 | USD | 20251011 |
| SINOPEC Maoming Petrochemical Co., Ltd. | China national standards | MT | 1126.0 | USD | 20251011 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1217.49 | USD | 20251011 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1196.37 | USD | 20251011 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1210.45 | USD | 20251011 |
| China National Petroleum Corporation Jinzhou Petrochemical Branch | China national standards | MT | 1210.45 | USD | 20251011 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1168.22 | USD | 20251011 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1189.34 | USD | 20251011 |