| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1055.49 | USD | 20250923 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 985.12 | USD | 20250923 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1012.57 | USD | 20250922 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 970.38 | USD | 20250922 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1012.57 | USD | 20250922 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1047.73 | USD | 20250922 |
| PetroChina Kunlun Gas Co., Ltd. Liquefied Gas Daqing Petrochemical Branch | China national standards | MT | 1054.76 | USD | 20250922 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 970.38 | USD | 20250922 |