| Vendor | Spec | Unit | Price | Currency | Date | 
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1128.06 | USD | 20251023 | 
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 881.3 | USD | 20251023 | 
| Lihuayi Group Co., Ltd. | China national standards | MT | 831.95 | USD | 20251023 | 
| PetroChina Kunlun Gas Co., Ltd. Liquefied Gas Daqing Petrochemical Branch | China national standards | MT | 1015.26 | USD | 20251023 | 
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 831.95 | USD | 20251023 | 
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 880.85 | USD | 20251022 | 
| Lihuayi Group Co., Ltd. | China national standards | MT | 852.67 | USD | 20251022 | 
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1775.8 | USD | 20251022 | 
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1775.8 | USD | 20251022 | 
| PetroChina Kunlun Gas Co., Ltd. Liquefied Gas Daqing Petrochemical Branch | China national standards | MT | 1014.74 | USD | 20251022 |