| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chemical Group Co., Ltd. | China national standards | MT | 931.14 | USD | 20251027 |
| China National Petroleum Corporation Jinzhou Petrochemical Branch | China national standards | MT | 1213.3 | USD | 20251027 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 987.57 | USD | 20251027 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1199.19 | USD | 20251027 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 987.57 | USD | 20251027 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1220.36 | USD | 20251027 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 884.58 | USD | 20251027 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 881.76 | USD | 20251027 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 902.32 | USD | 20251026 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 909.37 | USD | 20251026 |