| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1126.65 | USD | 20251013 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1049.19 | USD | 20251013 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1013.98 | USD | 20251013 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1006.94 | USD | 20251013 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1028.07 | USD | 20251013 |
| PetroChina Kunlun Gas Co., Ltd. Liquefied Gas Daqing Petrochemical Branch | China national standards | MT | 1013.98 | USD | 20251013 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1077.36 | USD | 20251013 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 1013.98 | USD | 20251013 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 999.9 | USD | 20251013 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 908.36 | USD | 20251013 |