| Vendor | Spec | Unit | Price | Currency | Date |
| PetroChina Kunlun Gas Co., Ltd. Liquefied Gas Daqing Petrochemical Branch | China national standards | MT | 1055.52 | USD | 20250930 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 999.23 | USD | 20250930 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 935.89 | USD | 20250930 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1041.45 | USD | 20250930 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 942.93 | USD | 20250930 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 914.78 | USD | 20250930 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 971.08 | USD | 20250930 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1013.3 | USD | 20250930 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1006.26 | USD | 20250930 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 1013.3 | USD | 20250930 |